1971 Plymouth HEMI Cuda drag racing 1969 Chevrolet Camaro ZL1
First car is a 1971 Plymouth Cuda with a 426 hemi V8. The other a 1969 Chevy Camaro with a 427 ZL1 v8. The HEMI Cuda was rated 425 horsepower and the Camaro ZL1 was rated 430 horsepower. Rear gearing for both cars is unknown. The '71 HEMI Cuda has a 3speed automatic transmission (TorqueFlite) and the '69 Camaro ZL1 has a TH400 3speed automatic transmission. Curb weight for the ZL1 Camaro was around 3300 pounds. Curb weight for the 1971 Plymouth HEMI Cuda was 3721 pounds. Only 48 automatic equipped 1971 Plymouth HEMI Cudas were produced. The were 69 total ZL1 Camaros made in 1969.
Remember, both cars participate in the FAST (Factory Appearing Stock Tire) series of drag racing. Please visit their website. https://www.fastdrags.com
Here are their rules:
ANYONE USING NITROUS OXIDE WILL BE BANNED FROM PARTICIPATING FOR LIFE!
ENGINE
2.01 Engine block must appear to be a correct* original block and must be of the same engine family and exterior size.
The block must be made from the same material as the correct* original block. Approved aftermarket replacement blocks are allowed (see list below).
There will be a 560 cubic inch limit on all engines except the Ford 429/460 based power plants which will be allowed 620 cubes.
If you think you can get more than the allotted cubic inches out of a stock production block you will have to contact the FAST Board of Director and have your combination approved prior to racing.
2.02 Dealer installed engines and dealer performed modifications are not allowed.
2.03 Cylinder Heads and Intake Manifold MUST be correct* OEM casting, have correct* original casting numbers and be of correct* original material.
This may very well be the most important and teched F.A.S.T. rule.
Note: Any cylinder head or intake manifold that is not the correct* casting number, must be approved and published on the F.A.S.T. website.
Casting date codes are not looked at and are not part of the tech process.
2.04 Internal engine modifications OK.
FUEL SYSTEM AND CARBURETOR
3.01 The carburetor must appear externally correct*.
Internal modifications are OK. Carburetor housing must be the correct* housing for your application. The stamped part number need not be correct*.
For example any 750 Qjet can replace any 750 Qjet as long as it externally appears correct*, but an 800 Qjet cannot replace a 750 Qjet, even if it does appear externally correct.
EXHAUST
4.01 Cast iron exhaust manifolds are mandatory and must be correct*, have correct* casting numbers and be of correct* material.
Under no circumstances will headers be allowed, including those cars that had headers delivered in the trunk.
Internal modifications are OK. Correct* appearing exhaust manifold paint or coatings are OK. Casting date codes are not looked at and are not part of the tech process.
4.02 Even if equipped from the factory with cutouts, all runs must be made with closed exhaust running through the mufflers.
4.03 Exhaust systems may be upgraded to a maximum of 2.5" diameter head and tail pipes.
Exception: Certain Max Wedge cars left the factory with 3" inch head pipes, these cars can retain these head pipes up to, but not past, the transmission tailshaft.
IGNITION SYSTEM
8.01 The distributor, distributor cap and coil must appear correct,
Distributor housing does not need to have original part number stamped in body.
8.02 Coil must be retained in the correct* location.
8.03 Aftermarket ignition boxes allowed, if mounted out of sight.
DRIVETRAIN
11.01 Vehicles that only came with 4speeds may convert to automatics and vice/versa.
This must be done in a matter that reflects how the factory would have done it, OEM correct* shifters, linkage, consoles if equipped,
and hardware MUST be used and the conversion must look 100% correct to the FASTRACES LLC.
REAR AXLES
12.01 The rear axle housing must be of the same manufacturer as the car. OEM appearing aftermarket housings are OK.
Internal modifications are OK. Any gear ratio allowed. Aftermarket axles are OK.
Upgrade to posiunit or spool is OK.
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