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Chrome 9 Super 7 Carbs, Offenhauser 1075 Dual Intake Kit, 1949-53 Ford

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Chrome 9 Super 7 Carbs, Offenhauser 1075 Dual Intake Kit, 1949-53 Ford

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Please note the following about this product:

  • This item is sold as a kit.

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Q & A (3)

What's in the Box

Info

This kit uses the Offenhauser Dual 1949-1953 Flathead Ford V8 intake with 9 Super 7® carbs. In includes two carbs, the intake, air cleaners, linkage kit, fuel block, fittings and red fuel line. Assembly required.

Said to be its most popular flathead intake, Offenhauser’s 2x2 Regular intake has closely spaced carbs that will clear the stock generator. The Offy regular dual intake accepts two 3-bolt carbs. Great addition to a street oriented engine. Has 4-3/4" carb centers.

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. Be sure to include the Secondary 9 Super 7 when installing 3-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.  

  • Carb Centers:  4-3/4"
  • Carb pads are angled as they were on stock 49-53 intakes
  • Front drivers side accessory hole is for draft tube and measures 1.25"
  • Rear drivers side accessory hole is for oil fill tube and measures 1.375"
  • 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

Note: If used with our progressive linkage kit, the front carburetor will need to be set as the primary.

9 Super 7® Linkage Instructions (PDF)

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

Note: Not recommended for use with Ethanol fuels.

 

Notes

Note: Has room for generator in stock location, but generally requires an offset bracket. If using a GM alternator, use our chrome 916-67909 or plain 916-67910 bracket.

Note: 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.

9 Super 7® Primary Carbs -

  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. 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 9 Super 7 ® 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.

Customer Reviews

This product has no reviews.

Product Q&A

3 questions : 3 answers

1 answers

Hello, Is there 1 primary and 1 secondary carb or are they both primary carbs. Thanks

July 18, 2011

Hello, Is there 1 primary and 1 secondary carb or are they both primary carbs. Thanks

Answers

July 19, 2011
Jason
This kit comes with two Primary carbs
1 answers

What do you recommend for vacuum advance and brake booster connections for this item? Will it work with your Powergen alternator #91067165-PLN ?

Ken
Telford TN
November 11, 2015

What do you recommend for vacuum advance and brake booster connections for this item? Will it work with your Powergen alternator #91067165-PLN ?

Answers

November 13, 2015
John
Expert
Intake number 5601075 used in the two carb kit has a 3/8 NPT vacuum port for vacuum needs. If an additional is needed the intake can be drilled and tapped as needed. Depending on the flathead build, sufficient vacuum to satisfy the booster on power brakes may be inadequate. The stock generator will have clearance issues with the front carb and we suggest bracket kit number 3251146 to move the generator towards the passenger side. Also, the intake design is different which shifts the fan from it's original location towards the drivers side which also moves the fan. We offer 6 and 12 volt electric fans if needed to remedy the problem.
1 answers

Will the Powergen alternator 91067165-PLN work with this intake/carb combo. The description says the factory generator does not clear, but the Powergen alternator is slightly different in size, but I don't remember which was longer.

Flat50
Jupiter, FL
February 17, 2016

Will the Powergen alternator 91067165-PLN work with this intake/carb combo. The description says the factory generator does not clear, but the Powergen alternator is slightly different in size, but I don't remember which was longer.

Answers

February 19, 2016
John
Expert
We apologize but the standard PowerGen will not clear the front carb and will need to be relocated to the passenger side head with bracket number 5601095 or use the shorter PowerGen number 91067180.
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