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Founder, 1929-2014
Speedy Bill
Since 1952
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9 Super 7 Secondary 3-Bolt 2 Barrel Carburetor, Plain Finish

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Specs
Sold in Quantity:
Each
Bolt Hole Pattern:
3-Bolt
Gasket(s) Included:
Yes
CFM:
184
Choke Type:
No Choke
Fuel Type:
Gasoline
Carburetor Barrels:
2
9 Super 7   Secondary 3-Bolt 2 Barrel Carburetor, Plain Finish
9 Super 7   Secondary 3-Bolt 2 Barrel Carburetor, Plain Finish

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

For years customers have been either putting up with poor idling multiple carburetor set-ups or spending hundreds of dollars converting the secondary carburetors so they did not have to idle circuits. Now Speedway Motors is offering our popular 9 Super 7® two barrel "secondary" carburetor with all that work already done. No more wasted money!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9Super7 Carb is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9 Super 7 shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Be sure to include the Primary 9 Super 7 when installing multi-carb setups. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up.

  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Special base plate with no idle circuits or choke linkage
  • Special butterflies and shafts installed
  • Works best with progressive linkage
  • Idle only off the center or main carburetor
  • No more plug foul

Note: Not recommended for use with Ethanol fuels.

Notes

  1. Features .045" main metering jets and a number 65 power valve, which is the same as a stock 97 carb.
  2. Replacement jet access plug gasket use # 91011542, replacement needle & seat gasket use # 91011543.
  3. Includes base gasket.
  4. The 9 Super 7 ® will operate suitably with fuel pressures ranging from 1-1/2 psi to 4 psi, with a desired setting of 2-1/2 psi to 3 psi. Fuel pressure from 4 psi to 7 psi will cause the carburetor to run excessively rich and may cause flooding. Flooding or leaks caused by excessive fuel pressure do not indicate a faulty carburetor.
  5. There are no provisions for a vacuum advance line. Ford & Mercury engines 1949-1953 using stock distributors will need an alternative place to connect the vacuum line.
  6. Our independent tests produced these flow numbers:
    • 3" of Vacuum - 60 CFM
    • 10" of Vacuum - 110 CFM
    • 15" of Vacuum - 136 1/2 CFM
    • 28" of Vacuum - 184 CFM
Learn more about setting up 3 x 2 carbs using the 9Super7 Carb ® in Street Rodder Magazine's tech article Speedway Motors Stromberg 97 - Tri-Power In Under An Hour.
 
See what other industry experts are saying about the 9 Super 7 ® here.

You may also be interested in:

Edelbrock 4025 Uni-Syn Carburetor Synchronizing Tool
SKU-3254025
                        

If you have more than one carb on your hot rod, you need one of these "Uni-Syn" carb synchronizing tools. Just set on the top of your carb and adjust until all the carbs in your tri-power three deuce set-up read the same. 

Works well on small one barrel and two barrel carbs (downdraft or side-draft). Fits carb necks from 1-3/8" up to 3".

3-Carb Progressive Throttle Linkage
SKU-5606271
                        

Three-carb progressive linkage for Ford/Holley 94's and Stromberg 97's. It can be modified to work with other 2G Rochester applications, however the arms must be drilled for the larger diameter shafts.

Maximum center to center of long shaft is 11-3/8" and maximum of short shaft is 7". Linkage can be used for either two 2 bbl or three 2 bbl applications.

560-6271 Instructions (PDF) 

Accelerator Pump Rod for Stromberg 97
SKU-91011599
                        Speedway's found a limited supply of these hard-to-find linkage rods. These accelerator pump rods are brand new. Fits all Stromberg 97 carburetors.
                    
Three Chrome 9 Super 7 Carbs on Edelbrock 1108 Intake Kit, 1938-48 Ford V8
SKU-925120
                        

This tri power kit uses the famous Edelbrock 3x2 intake with 9 Super 7 carbs. It has progressive linkage to give you good driveability and economy, but power when you need it. Includes three carbs, the intake, air cleaners, linkage kit, fuel block, fittings and red fuel line. Assembly required. 

The 9Super7 Carb  makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required to do so with our kits is a Uni-Syn syncing tool and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up. 

  • Triple Deuce Manifold
  • For 1938-48 Ford/Mercury Flathead
  • Carb spacing is 5-1/8"
  • Made in the USA
  • Manifold height: A-3.66", B-3.66"
  • Port exit dimensions: 1.3" x 1.7"
  • Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

Note: Not recommended for use with Ethanol fuels.

 

9 Super 7® Linkage Instructions (PDF)

915-11657 9 Super 7® Carb Instructions (PDF)

Three Chrome 9 Super 7 Carbs, Offenhauser 1072 Intake Kit, 1932-41 Ford V8
SKU-925124
                        

This tri power kit uses the Offenhauser 1932-1941 Flathead Ford 3x2 intake with 9 Super 7 carbs. It has progressive linkage to give you good driveability and economy, but power when you need it. It includes three carbs, the intake, air cleaners, linkage kit, fuel block, fittings and red fuel line. Assembly required.

The 9Super7 Carb  makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required to do so with our kits is a Uni-Syn syncing tool and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up. 

  • For 1932-41 Ford Flatheads
  • 4-5/8" carb centers
  • Has boss or flange for generator or fan assembly to mount to
  • Has the fill and draft holes behind flange
  • Includes generator adapter brackets
  • Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

Note: Not recommended for use with Ethanol fuels.

 

9 Super 7 Linkage Kit Instruction Sheet (PDF)

915-11657 9 Super 7® Carb Instructions (PDF)

 

Three Chrome 9 Super 7 Carbs, Offenhauser 1074 Intake Kit, 1942-48 Ford V8
SKU-925126
                        

This tri power kit uses the Offenhauser Flathead Ford 3x2 intake with 9 Super 7® carbs. It has progressive linkage to give you good driveability and economy, but power when you need it. It includes three carbs, the intake, air cleaners, linkage kit, fuel block, fittings and red fuel line. Assembly required.

Has 4-5/8" carb centers. Features a mount flange at the front of the manifold for Offy fan carrier 560-3499 (sold separately).

The 9Super7 Carb ® makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required to do so with our kits is a Uni-Syn syncing tool and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up. 

  • For 1942-48 Ford Flatheads
  • 4-5/8" carb centers
  • Has boss or flange for generator or fan assembly to mount to
  • Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

Note: Not recommended for use with Ethanol fuels.

 

9 Super 7® Linkage Instructions (PDF)

915-11657 9 Super 7® Carb Instructions (PDF)

Three Chrome 9 Super 7 Carbs, Offenhauser 1077 Intake Kit, 1949-53 Ford V8
SKU-925128
                        

This tri power kit uses the Offenhauser Flathead Ford 3x2 intake with 9 Super 7 carbs. It has progressive linkage to give you good driveability and economy, but power when you need it. It includes three carbs, the intake, air cleaners, linkage kit, fuel block, fittings and red fuel line. Assembly required.

The 9Super7 Carb ® makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required to do so with our kits is a Uni-Syn syncing tool and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up. 

  • For 1949-53 Ford Flatheads
  • 4-5/8" carb centers
  • Has boss or flange for generator or fan assembly to mount to
  • Has the fill and draft holes behind flange
  • 1.375" hole in the front of the intake for an oil-fill or breather tube
  • 1.25" hole in the front of the intake for the road draft tube
  • Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

Note: Not recommended for use with Ethanol fuels.

 

9 Super 7® Linkage Instructions (PDF)

915-11657 9 Super 7® Carb Instructions (PDF)

 

Three Plain 9 Super 7 Carbs on Offy 1072 Intake Kit, 1932-41 Ford V8
SKU-9251240
                        

This tri power kit uses the Offenhauser 1932-1941 Flathead Ford 3x2 intake with Speedway's 9 Super 7® carbs. It has progressive linkage to give you good driveability and economy, but power when you need it. It includes three carbs, the intake, air cleaners, linkage kit, fuel block, fittings and red fuel line. Assembly required. 

The 9Super7 Carb ® makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required to do so with our kits is a Uni-Syn syncing tool and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up.

  • For 1932-41 Ford Flatheads
  • 4-5/8" carb centers
  • Has boss or flange for generator or fan assembly to mount to
  • Has the fill and draft holes behind flange
  • Includes generator adapter brackets
  • Three deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

Note: Not recommended for use with Ethanol fuels.

 

9 Super 7® Linkage Kit Instruction Sheet (PDF)

915-11655 9 Super 7® Carb Instructions (PDF) 

Carb Linkage Thread End for 9 Super 7 /Stromberg 97/Demon 98 Carbs, RH
SKU-5600098
                        

This carb linkage rod end has 3/16" fine RH threads (also known as 10-32).  It is intended for use with 9 Super 7 ®, Stromberg 97, and Demon 98 carburators.

  • 3/16" fine RH threads (10-32)
  • Secures with pin
  • Steel
  • .430" Diameter
  • Application:
    • 9 Super 7 ®
    • Stromberg 97
    • Demon 98
Carb Linkage Thread End for 9 Super 7 /Stromberg 97/Demon 98 Carbs, LH
SKU-5600099
                        

This carb linkage rod end has 3/16" fine LH threads (also known as 10-32).  It is intended for use with 9 Super 7 ®, Stromberg 97, and Demon 98 carburators.

  • 3/16" fine LH threads (10-32)
  • Secures with pin
  • Steel
  • .430" Diameter
  • Application:
    • 9 Super 7 ®
    • Stromberg 97
    • Demon 98

 

Adjustable Main Jets for Stromberg-Style Carbs
SKU-91611071
                        

If you are like us you really don't like pulling the carbs off to change jets over and over... These adjustable main jets will make life a little easier and get your car running right, a lot faster. Machined to high standards on Swiss screw machine. Part has a stainless steel needle and brass body and nut with Viton O-ring seal.

Simply remove your jet well plugs and screw in this adjustable jet assembly. Use the largest stock jet size for the richest mixture you need, then use the adjuster to lean it down from there. You can lean your mixture by turning clockwise or richen by turning counter clockwise. Includes Teflon sealing washer, extra O-ring seals & instructions.

  • Get your plug color just right
  • Compensate for altitude changes
  • Get the best tuneup your hot rod has ever had

Fits Stromberg 48, 81, and 97-style carburetors. Sold as a PAIR.

9 Super 7 Carb Replacement Nylon Jet Gaskets
SKU-91011542
                        You will need these replacement gaskets when tuning your 9-Super-7 ® carburetor.
                    
9 Super 7 Carb Replacement Needle/Seat Gaskets
SKU-91011543
                        You will need these replacement gaskets when tuning your 9-Super-7 ® carburetor.
                    
Set of 3 Speedys 9 Super 7 3-Bolt 2 Barrel Carburetors, Plain Finish
SKU-915116553
                        

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

There have been numerous attempts to reproduce this unit, with little success. "Speedy" Bill Smith of Speedway Motors in Lincoln, Nebraska, took on the challenge to make a great product even better. The 9Super7 ® Carb brings this reproduction of the original Stromberg 97 2 barrel carb into the 21st Century!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the choke assembly, accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9 Super 7 is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9 Super 7 shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb tri power set-up.

On the primary 9 super 7 carb the throttle shaft extends from carb body .983" and has the hole on the end to pin the linkage. There is a brass sleeve that the throttle shaft rotates in that extends from the carb body .400 and this leaves the useable throttle shaft length of .583. There is sufficient room for progressive linkage and the manual throttle linkage that rotates over the sleeve. 

  • Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

915-11655 Primary Carburetor Instructions (PDF)

Note: Not recommended for use with Ethanol fuels.

 

Set of 3 Speedys 9 Super 7 Chrome 3-Bolt 2 Barrel Carburetors
SKU-915116573
                        

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

There have been numerous attempts to reproduce this unit, with little success. "Speedy" Bill Smith of Speedway Motors in Lincoln, Nebraska, took on the challenge to make a great product even better. The 9 Super 7 ® Carb brings this reproduction of the original Stromberg 97 2 barrel carb into the 21st Century!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the choke assembly, accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9 Super 7 is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9Super7 carb shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb tri power set-up.

On the primary 9 super 7 carb the throttle shaft extends from carb body .983" and has the hole on the end to pin the linkage. There is a brass sleeve that the throttle shaft rotates in that extends from the carb body .400 and this leaves the useable throttle shaft length of .583. There is sufficient room for progressive linkage and the manual throttle linkage that rotates over the sleeve. 

 

  • Three Deuce carburetor setups come with two "secondary" carbs for front and rear intake position and one "primary" carb for central/middle position
  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Primary Carb - (1) Middle Position
    • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Secondary Carb - (2) Front and Rear Position
    • Special base plate with no idle circuits or choke linkage
    • Special butterflies and shafts installed
    • Works best with progressive linkage
    • Idle only off the center or main carburetor
    • No more plug foul

Note: The secondary carbs have NO choke, and they have NO idle system.

915-11655 Primary Carburetor Instructions (PDF)

Note: Not recommended for use with Ethanol fuels.

 

Three 2 Barrel Progressive Linkage Kit
SKU-1356715
                        Three 2-barrel progressive linkage kit for manifold  135-2003 with Stromberg, Ford, and Holley carbs as well as the Speedway  9 Super 7. 
                    
9 Super 7 Secondary 3-Bolt 2 Barrel Carburetor, Chrome Finish
SKU-91511658
                        

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

For years customers have been either putting up with poor idling multiple carburetor set-ups or spending hundreds of dollars converting the secondary carburetors so they did not have to idle circuits. Now Speedway Motors is offering our popular 9 Super 7® two barrel "secondary" carburetor with all that work already done. No more wasted money!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9Super7 Carb is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9 Super 7 shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Be sure to include the Primary 9 Super 7 when installing multi-carb setups. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up.

  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Special base plate with no idle circuits or choke linkage
  • Special butterflies and shafts installed
  • Works best with progressive linkage
  • Idle only off the center or main carburetor
  • No more plug foul

Note: Not recommended for use with Ethanol fuels.

Pair of 9 Super 7 Secondary 3-Bolt 2 Barrel Carburetors, Chrome Finish
SKU-915116582
                        

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

For years customers have been either putting up with poor idling multiple carburetor set-ups or spending hundreds of dollars converting the secondary carburetors so they did not have to idle circuits. Now Speedway Motors is offering our popular 9 Super 7® two barrel "secondary" carburetor with all that work already done. No more wasted money!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9Super7 Carb is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9 Super 7 shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Be sure to include the Primary 9 Super 7 when installing multi-carb setups. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up.

  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Special base plate with no idle circuits or choke linkage
  • Special butterflies and shafts installed
  • Works best with progressive linkage
  • Idle only off the center or main carburetor
  • No more plug foul

Note: Not recommended for use with Ethanol fuels.

Pair of 9 Super 7 Secondary 3-Bolt 2 Barrel Carburetors, Plain Finish
SKU-915116562
                        

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

For years customers have been either putting up with poor idling multiple carburetor set-ups or spending hundreds of dollars converting the secondary carburetors so they did not have to idle circuits. Now Speedway Motors is offering our popular 9 Super 7® two barrel "secondary" carburetor with all that work already done. No more wasted money!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9Super7 Carb is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9 Super 7 shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Be sure to include the Primary 9 Super 7 when installing multi-carb setups. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up.

  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage
  • Special base plate with no idle circuits or choke linkage
  • Special butterflies and shafts installed
  • Works best with progressive linkage
  • Idle only off the center or main carburetor
  • No more plug foul

Note: Not recommended for use with Ethanol fuels.

OTB Gear 4030 Stromberg Bug Horn Air Filter Housing, Polished
SKU-2474030
                        A practical embellishment for the top of your Stromberg, Holley, Ford, and Rochester 2 barrel carbs. Precision machined of premium aluminum alloy to fit solidly - secured with a stainless set screw. Each comes with our all stainless mesh Bug Dome to keep the big stuff out of your carb. Critters, small stones, loose screws, etc., are not healthy additives for your engine. The Bug Horn stands only 2" tall, for low hood clearance considerations. Available in a polished satin finish.
  • Polished satin finish
  • Fits Stromberg, Holley, Ford, and Rochester 2 barrel carbs
  • Stainless bug dome included
  • Secured with a stainless set screw
  • 2" Tall
  • Also available to fit the Rochester 2-G (2-5/8" dia.) carb.
  • We include a 1/4-20 mounting screw
OTB Gear 4031 Stromberg Bughorn Air Filter Housing, Unpolished
SKU-2474031
                        A practical embellishment for the top of your  Stromberg, Holley, Ford, and Rochester 2 barrel carbs. Precision  machined of premium aluminum alloy to fit solidly - secured with a  stainless set screw. Each comes with our all stainless mesh Bug Dome to  keep the big stuff out of your carb. Critters, small stones, loose  screws, etc., are not healthy additives for your engine. The Bug Horn  stands only 2" tall, for low hood clearance considerations. Available in an unpolished satin finish.
  • Unpolished satin finish.
  • Fits Stromberg, Holley, Ford, and Rochester 2 barrel carbs
  • Stainless bug dome included
  • Secured with a stainless set screw
  • 2" Tall
  • Also available to fit the Rochester 2-G (2-5/8" dia.) carb.
  • We include a 1/4-20 mounting screw
OTB Gear 4120 Stromberg Full Fin Air Cleaner, Polished
SKU-2474120
                        Classical finned design, accentuated by "doming" the top for more definition. Fits 2-5/8" Diameter carburetors. Featuring our exclusive new Platinum Series filter in the low profile 2" height. The filter media is a medium gray, washable oiled cloth. This is the filter that "sparkles" in the sunlight. The fittings are cast from premium aircraft grade aluminum, which takes a higher than normal shine. All visible surfaces are polished - others may only polish the raised areas. The base casting is precision bored, with an internal shoulder to snugly fit your carburetor - not simply "cast to fit" as others may do. Our internal shoulder also keeps the cleaner from rocking around. Compare our features, we come out shining.
  • Washable Filter Media
  • Fits type 94,97, and 98 carbs
  • Secured with a stainless socket set screw
OTB Gear 4140 Stromberg Dome Air Cleaner, Polished
SKU-2474140
                        Great retro design - reminiscent of baby hub caps. Fits 2-5/8" diameter carburetors. Featuring our exclusive new Platinum Series filter in the low profile 2" height. The filter media is a medium gray, washable oiled cloth. This is the filter that "sparkles" in the sunlight. The fittings are cast from premium aircraft grade aluminum, which takes a higher than normal shine. All visible surfaces are polished - others may only polish the raised areas. The base casting is precision bored, with an internal shoulder to snugly fit your carburetor - not simply "cast to fit" as others may do. Our internal shoulder also keeps the cleaner from rocking around. Compare our features, we come out shining.
  • Washable Filter Media
  • Polished
  • Fits type 94,97, and 98 carbs
  • Secures with a stainless socket set screw
OTB Gear 4150 Stromberg Aero Series Air Cleaner, Polished
SKU-2474150
                        Our bold new Aero series air cleaner is inspired by a great design from the '40's - the radiator cap of the Ford farming tractor. On a multiple carb setup, these babies overlap each other in a way that screams motion, even when parked. Some vintage designs are just too good not to revisit. Fits 2-5/8" diameter carburetors. Featuring our exclusive new Platinum Series filter in the low profile 2" height. The filter media is a medium gray, washable oiled cloth. This is the filter that "sparkles" in the sunlight. The fittings are cast from premium A-356 aircraft grade aluminum, which takes a higher than normal shine. All visible surfaces are polished - others may only polish the raised areas. The base casting is precision bored, with an internal shoulder to snugly fit your carburetor - not simply "cast to fit" as others may do. Our internal shoulder also keeps the cleaner from rocking around.Compare our features, we come out shining.
  • Washable Filter Media
  • Polished
  • Fits type 94,97, and 98 carbs
  • Secures with a stainless socket set screw
OTB Gear 4170 Stromberg Mohawk Air Cleaner, Polished
SKU-2474170
                        Now, a downscale match to our popular Mohawk 4 barrel air cleaner - and the Rocket Strip valve covers. Cast from A-356 aircraft grade alloy and finished to show standards. Each comes with our 2"X4" Platinum Series filter for practicality and appearance. The filter media is a medium gray, washable oiled cloth. All visible surfaces are polished - others may only polish the raised areas. The base casting is precision bored, with an internal shoulder to snugly fit your carburetor - not simply "cast to fit" as others may do. Our internal shoulder also keeps the cleaner from rocking around. Compare our features, we come out shining.
  • Washable Media Filter
  • Polished
  • Fits type 94,97, and 98 carbs
  • Secures with a stainless socket set screw
Stromberg Air Cleaner Spacers, 2-5/8 Inch
SKU-91511660
                        These aluminum air cleaner spacers are specifically designed to work with Stromberg carburetors.  They fit 2-5/8" diameter carbs and come in three different heights to fit your preference. 
  • Fits 2-5/8" neck carbs
  • Choose from 1", 2" or 3" height
  • Precision machined aluminum
  • Add another dimension to your multi-carb setup
Three-Bolt Carb Base Gasket
SKU-91011050
                        Three bolt carburetor base gaskets fit Stromberg 97-style carbs and Holley 94-style carbs.
                    
97-Style Carburetor Fuel Inlet Fitting, 1/2 In-20 to 5/16 Hose, Chrome
SKU-91611066
                        

These fittings adapt 5/16" fuel hose to our 9 Super 7 carb as well as Stromberg 97's and Ford/Holley 94's (all with 1/2"-20 inlet threads).

Fits:

  • Stromberg 97
  • Ford/Holley 94 with 1/2"-20 threads
  • Speedway 9super7 
Speedys 9 Super 7 Primary 3-Bolt 2 Barrel Carburetor, Plain Finish
SKU-91511655
                        

Speedway Motors now offers a reproduction version of one of the most popular carburetors ever used, the original Stromberg 97! Original equipment on '30s and '40s cars and trucks, the Stromberg 97 has long been favored by flathead hot rodders and racers who realized the performance qualities of this timeless fuel supplier.

There have been numerous attempts to reproduce this unit, with little success. "Speedy" Bill Smith of Speedway Motors in Lincoln, Nebraska, took on the challenge to make a great product even better. The 9 Super 7 ® Carb brings this reproduction of the original Stromberg 97 2 barrel carb into the 21st Century!

Speedway Motors has incorporated all of the improvements shown above while maintaining the carburetor's original look. Features such as the choke assembly, accelerator pump, main jets and cosmetics have all been faithfully retained. Additionally, each carburetor is individually flow tested and inspected for leaks. Perfection is the result! 

Aesthetically, the 9Super7 is nearly identical to the stock unit, minus the large 97 logo that appeared on the side and the patent numbers found on the float bowl area. Upgraded internal parts include; the float, needle, and seat. Jetting and power valve settings remain as they were for the original 97 carbs as well as the cfm and vacuum specs.

The other similarity that the 9 Super 7 shares with the original 97 is the setup and tuning necessary to yield a well-running machine. While perhaps not as simple as bolting on a single four-barrel, the 9 Super 7 makes setting up a multiple carburetor induction system easier than when Strombergs were available new. All that's required is an intake, a linkage system, a Uni-Syn syncing tool, and a little patience. Be sure to include the Secondary 9 Super 7 when installing multi-carb setups. Our 3 Carb kits come with one primary carburetor and two secondary carburetors while the 2 Carb kits are both primary carbs.  See our Multiple Carburetor Tech Tip for more information on using the 9 Super 7 in a 2x2 or 3x2 carb set-up.

On the primary 9 super 7 carb the throttle shaft extends from carb body .983" and has the hole on the end to pin the linkage. There is a brass sleeve that the throttle shaft rotates in that extends from the carb body .400 and this leaves the useable throttle shaft length of .583. There is sufficient room for progressive linkage and the manual throttle linkage that rotates over the sleeve.

  • All-new tooling for crisp, flawless castings
  • New aluminum base assembly allows for cooler fuel temps and better fuel efficiency as compared to the original cast iron design
  • Stainless steel screws and hardware
  • Choke assembly, accelerator pump, and jets have all been faithfully retained and accept standard Stromberg parts
  • Features original Stromberg 0.97" venturi diameter
  • Modern Nitrophyl float and Neoprene gaskets
  • Original troublesome needle and seat replaced by a Grose-style fuel inlet valve to better cope with higher fuel pressures and improved high speed running 
  • Will not stick or dribble like the old Viton-tipped needle and seat setups
  • Grose-style jet valve won't corrode in modern fuel, something the original needle and seat units can't do
  • Comes with a No. 65 power valve and 0.045" main jets, identical to the stock 97
  • Extended brass throttle shaft to simplify multi-carb linkage

915-11655 9 Super 7® Carb Instructions (PDF)

Note: Not recommended for use with Ethanol fuels.