Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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Carburetion

Shop Air and Fuel Delivery At Speedway Motors

Getting the right mix of fuel and oxygen into your engine can be tricky. Our award winning Techs can help set up a race-winning fuel system that makes serious power, but is reliable enough for your daily driver. From air cleaners to superchargers, Speedway Motors wants to help makes sure you never starve your engine again!

Featured Products
  • JOES Racing Products 25845 Micro Sprint R6 Carburetor Vents, Set of 2
    JOES Racing Products 25845 Micro Sprint R6 Carburetor Vents, Set of 2
    (Part #96025845)
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                These lightweight Micro Sprint R6 carburetor vents are precision machined for easy installation feature an anodized aluminum finish.  They utilize a microcell vent filter system, designed  for optimal float bowl venting while keeping your fuel system clean.
    • Sold in pairs
    • Lightweight and precision machined for easy installation
    • Anodized aluminum utilizes JOES microcell vent filter system that is designed for optimal float bowl venting
    • O-ring sealed to keep your fuel system clean
  • Lokar Hi-Tech Stainless Throttle Cable Kit
    Lokar Hi-Tech Stainless Throttle Cable Kit
    (Part #4911000HT)
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    Lokar Hi-Tech Braided Stainless Steel Throttle Cables are designed with a specially extruded Teflon liner for unparalleled smoothness and long life. Cables are equipped with aluminum fittings and aluminum ferrules to eliminate fraying. “U-Cut-to-Fit” outer housing is available in 24" or 36" lengths with a “U-Cut-to-Fit” stainless inner wire. Clevis is designed without cotter pins or set screws. Adapts to factory and aftermarket pedals.

    Cables can be cut to fit nearly any installation. Kits come complete with installation instructions. 

  • Lokar KD-2727HT Chrysler 727 Hi-Tech Kickdown Kit
    Lokar KD-2727HT Chrysler 727 Hi-Tech Kickdown Kit
    (Part #4912727)
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    Lokar's "U-Cut-to-Fit" Hi-Tech Kickdown Cables are designed with a specially extruded liner for extended life of the cable – not to be confused with ordinary brake hose. Kickdown features aluminum fittings with ferrule to eliminate frayed cable ends. Kickdowns are adaptable for all types of manifolds including tunnel ram, blower manifolds and Weber induction systems.  Complete instructions included in kit.

    Throttle Body and Carb End Fittings Guide (Link)

    4912727 Installation Instructions (PDF) 

     

  • Speedys 9 Super 7    Primary 3-Bolt 2 Barrel Carburetor, Plain Finish
    Speedys 9 Super 7 Primary 3-Bolt 2 Barrel Carburetor, Plain Finish
    (Part #91511655)
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    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.

     

  • Accelerator Pump Rod for Stromberg 97
    Accelerator Pump Rod for Stromberg 97
    (Part #91011599)
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                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.
            
  • KSE Racing Products KSC2005 Bypass Fuel Pressure Regulator
    New
    KSE Racing Products KSC2005 Bypass Fuel Pressure Regulator
    (Part #91032949)
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    Check out this Billet Bypass Fuel Regulator from KSE Racing Products. It is is designed to work with belt driven and direct driven mechanical fuel pumps for both Alcohol and Gasoline racing applications. This design also utilizes an idle bleed jet which can be adjusted in order to control idle fuel pressure requirements.

    • Alcohol and gas compatible
    • Fittings not included
    • Typically mounted at end of fuel log
    • Sold Individually

    Fuel Regulator Installation Guide (PDF)

  • Holley 10833-5 Fuel Bowl Gasket
    Holley 10833-5 Fuel Bowl Gasket
    (Part #42710833)
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                For Holley double pumper carbs. Package of five gaskets.
            
  • Wissota-Spec 1 Inch 4-Barrel Carburetor Spacer
    New
    Wissota-Spec 1 Inch 4-Barrel Carburetor Spacer
    (Part #1351960)
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    The Wissota "1960 spacer" is a 1 inch aluminum carburetor spacer that is a quick and easy way to improve the performance of your engine.  Carb spacers lengthen the intake plenum increasing it's volume, and speeding up flow. The Wissota carb spacer works with Holley carburetors with a 5.156" x 5.625" bolt hole pattern.

    • Wissota spec part
    • Carburetor spacer style: 4-Barrel
    • 1 inch thickness
    • Aluminum material
    • Sold individually

     

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"Air and Fuel Delivery, Carburetion" Page 1 of 34

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  • Lokar XSRK-4001 Black Stainless Steel Carburetor Bracket
    Lokar XSRK-4001 Black Stainless Steel Carburetor Bracket
    (Part #49104001)
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    Stainless bracket mounts to rear of Holley, Edelbrock, AFB, Quadrajet, Demon, and In-Line Dual Quads.  Design provides improved clearance on Edelbrock carbs. Design includes tension screw to prevent bracket from movement under extreme pressure on a kickdown cable, such as with a 700-R4 transmission.

    • Mounts to rear of Holley, Edelbrock, AFB, Quadrajet, Demon, and In-Line Dual Quads
    • Stainless steel
    • Improved clearance on Edelbrock carbs
    • Includes tension screw to prevent bracket movement under extreme pressure

    49104001 Installation Instructions (PDF) 

  • Lokar TRP-4005 Stainless Pontiac Tri-Power Throttle Cable Bracket Kit
    Lokar TRP-4005 Stainless Pontiac Tri-Power Throttle Cable Bracket Kit
    (Part #491TRP4005)
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    Designed for Rochester Tri-Power. Kit includes Stainless Steel Throttle Cable Bracket and Stainless Steel Springs.

    • Stainless bracket mounts under rear carburetor on Rochester 3-2 set-up.
    • Cables operate from center carburetor.
    • Stainless Bracket and Dual Stainless Springs are used to mount Lokar's Throttle Cable and Kickdown assemblies.
  • Lokar TC-1000TP72 Tuned-Port 1985-91/LT1/LT4 Hi-Tech Throttle Cable
    Lokar TC-1000TP72 Tuned-Port 1985-91/LT1/LT4 Hi-Tech Throttle Cable
    (Part #491TC1000TP72)
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    • Specially Extruded Liner For Extended Cable Life
    • Aluminum Ferrules To Eliminate Fraying
    • U-Cut-To-Fit Outer Housing
    • Clevis Designed w/o Cotter Pins Or Set Screws
    • Adapts To Factory And Aftermarket Pedals
    • Made In The U.S.A.
    • Lifetime Warranty
  • Lokar TC-1000LS160 Hi-Tech LS1 / 350 Ramjet Throttle Cable, 60 Inch
    Lokar TC-1000LS160 Hi-Tech LS1 / 350 Ramjet Throttle Cable, 60 Inch
    (Part #4911000160)
    x
                Lokar Hi-Tech Throttle Cable features a stainless   steel braided  housing.  They are designed with a specially extruded liner for extended    life of the cable – not to be confused with ordinary braided brake    hose.  Cables are equipped with aluminum fittings and aluminum ferrules    to eliminate fraying.
    Kits come complete with installation instructions.
  • Lokar TCP-1000TPVU Polished Universal 36 Inch Vortec Throttle Cable
    Lokar TCP-1000TPVU Polished Universal 36 Inch Vortec Throttle Cable
    (Part #491TCP1000TPVU)
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    Looking for more shine in your engine compartment? Try Lokar's Polished Hi-Tech Throttle Cables. Lokar's polished cables are available in stainless steel braided housing or black housing. They are designed with a specially extruded liner for extended life of the cable – not to be confused with ordinary braided brake hose.

    • Cables are equipped with polished aluminum fittings and polished aluminum ferrule to eliminate fraying.
    • "U-Cut-to-Fit" outer housing is available in 24" or 36" lengths with a "U-Cut-to-Fit" stainless inner wire.
    • Clevis is designed without cotter pins or set screws.
    • Adapts to factory and aftermarket pedals.
    • Cables mount nicely with Lokar's array of Bracket and Return Springs (sold separately).
    • Kits complete with installation instructions.
    • Pair up with a Polished Kickdown
  • Holley 0-80670 Avenger 670 CFM 4 Barrel Carburetor, Electric Choke
    Holley 0-80670 Avenger 670 CFM 4 Barrel Carburetor, Electric Choke
    (Part #42580670)
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    The Holley Street Avenger Model 4150 four barrel carb is the ultimate vacuum secondary street performance upgrade. This 4 barrel carb is street ready right out of the box and features a calibrated electric choke, air and fuel adjustments and built in fuel filters. There are clear sights for easy float adjustments, adjustable vacuum secondaries and four vacuum ports. Plus it has a million mile power valve, is 100% wet flow tested and includes fittings.

    • No Trouble quick change vacuum secondaries - up to 6% more acceleration or 5% better fuel economy with simple spring change (springs included) 
    • Vacuum secondaries allow use on wide variety of vehicles
    • Tuneable fuel metering system
    • Dual feed fuel inlet
    • 1 timed (spark) port, 2 full vacuum, and 1 PCV port
    • Ford A/T kickdown, does not work with A.O.D. transmissions
    • Calibrated for monster low-end torque, awesome acceleration, & unmatched top-end horsepower
    • Bolt on & go design
    • Electric choke

    Holley 670 CFM 4 Barrel Carburetor Installation Instructions (PDF)

  • Kinsler Fuel Injection 3328 Bypass Valve Spring, 7 Lb.
    Kinsler Fuel Injection 3328 Bypass Valve Spring, 7 Lb.
    (Part #4733328)
    x
                Dial in your bypass valve with these standard bypass springs for use with alcohol carburetors. Spring has a .028" wire diameter.
            
  • Speedway Aluminum Fuel Log for Demon Carburetor
    Speedway Aluminum Fuel Log for Demon Carburetor
    (Part #91011600)
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    Ensures adequate fuel pressure to carburetor and helps eliminate fuel starvation problems. Fuel pressure is regulated after carburetor has been supplied and not before. Must use return fuel line to take full advantage of benefits.

    Features AN8 inlet and two AN8 outlets.  Threaded 3/4" NPT (plugged) on back that can be used for a return line. Also has 1/8" NPT outlet for fuel pressure gauge, fittings sold separately. 

  • Speedway Holley Mechanical Fuel Pump Fuel Line Kit
    Speedway Holley Mechanical Fuel Pump Fuel Line Kit
    (Part #6174090)
    x
                

    This pump-to-carb fuel line kit will get you the -8 AN hose, hose end fittings and mechanical fuel pump fitting if required. Choose from push-on steel or aluminum fittings with blue hose, or aluminum fittings with stainless steel braided hose. Comes with -8 AN hose only.

    Fitting sizes listed indicate fuel pump outlet fitting size.

    Style Choice Guide:

    • ALU - aluminum fittings with blue hose
    • SS  - aluminum fittings with stainless hose
    • STL - steel fittings with blue hose 
  • Henchcraft Chassis Mini Lightning Sprint 47 Inch Throttle Cable
    Henchcraft Chassis Mini Lightning Sprint 47 Inch Throttle Cable
    (Part #9707100)
    x
                

    New from Henchcraft Chassis, these throttle cables are designed for use with Mini Lightning Sprint chassis and feature easy adjust ends for quick setting.

    • 47" long cable
    • Custom cable mates o most throttle bodies
    • Easy adjust ends for quick setting
    • For use on Henchcraft Mini Lightning Sprint chassis
  • Willys Carbs WCD251 2-Barrel Throttle Stop, Return Spring Bracket
    Willys Carbs WCD251 2-Barrel Throttle Stop, Return Spring Bracket
    (Part #80015251)
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    • Fits 4412 style 2 bbl. carburetors
    • Throttle stop and return spring bracket all in one
  • Edelbrock 14064 Endurashine Performer 600 CFM 4 BBL Carb, Electric
    Edelbrock 14064 Endurashine Performer 600 CFM 4 BBL Carb, Electric
    (Part #32514064)
    x
                Please view the product's page for more information
            
  • Fuelab 52501-1 EFI Fuel Pressure Regulator, 25-90 PSI
    Fuelab 52501-1 EFI Fuel Pressure Regulator, 25-90 PSI
    (Part #96052501)
    x
                

    Gasoline, methanol, ethanol, and dieselfuel compatible for fuel injected applications. Accepts port style and non-port style union fittings without interference. Also features two 1/8” NPT gauge ports for an external pressure gauge and pressure reference. Fine thread pitch on adjustment screw for precise pressure adjustment.

    • Includes stainless steel mounting bracket
    • One -6AN inlet and one -6AN return port in-line
  • Proform 67160C Trackside Carburetor Spacer Kit, 1 Inch Thick
    Proform 67160C Trackside Carburetor Spacer Kit, 1 Inch Thick
    (Part #58667160)
    x
                

    Easily optimize your flow rates with the new PROFORM modular 1" carb spacer kit! Each kit comes with one frame and 3 popular inserts: open, 4-hole, and tapered 4-hole. Various engine combinations have various fuel and air distribution requirements for maximum performance. Lightweight heat-resistant phenolic. Also includes stud kit and gaskets.

    • Modular 1" carb spacer kit
    • Comes with one frame and 3 popular inserts: open, 4-hole, and tapered 4-hole
    • Lightweight heat-resistant phenolic
    • Includes stud kit and gaskets
    • Fits 4 barrel carburetors
    • Made in the U.S.A.
  • Lokar TC-1000EFI184 Hi-Tech Ford EFI Throttle Cable Kit, 84 Inch, Blk
    Lokar TC-1000EFI184 Hi-Tech Ford EFI Throttle Cable Kit, 84 Inch, Blk
    (Part #491TC1000EFI84)
    x
                
    • Specially Extruded Liner For Extended Cable Life
    • Aluminum Ferrules To Eliminate Fraying
    • U-Cut-To-Fit Outer Housing
    • Clevis Designed w/o Cotter Pins Or Set Screws
    • Adapts To Factory And Aftermarket Pedals
    • Made In The U.S.A.
    • Lifetime Warranty
  • Ford/Holley 94 Primary Carb Throttle Plate
    Ford/Holley 94 Primary Carb Throttle Plate
    (Part #91011625)
    x
                

    About the only way your 94 could have a tight throttle would be if you found a NOS carb somewhere. Using old worn throttle plates make carbs sluggish and increases your idle speed. Our aluminum throttle plates are for those carbs with out-of-round butterflies.

    • Fits both Ford 94 and Holley 94 two barrel carburetors
    • Featues a stock 5 degree angle for use in the primary carb in a multi-carb set up
    • The 5 degree plates are used anywhere you're using your idle circuits

    Note: Screws not included (sold separately with extended throttle shafts).

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