1971 Dodge Charger Hemi vs 1967 Chevrolet Impala NO COMMENTARY

1971 Dodge Hemi Charger Super Bee drag race 1967 Chevrolet Impala Super Sport 427.
First car is a 1971 Dodge Hemi Charger. The other a 1967 Chevrolet Impala Super Sport. The '71 Hemi Charger has a 426 Hemi V8, and the Impala SS has a 427 V8. The '67 Chevy Impala was rated 385 horsepower, while the 1971 Dodge Charger Super Bee Hemi was rated 425 horsepower. The Hemi Charger has a 3-speed automatic transmission (TorqueFlite). The Impala has a 4-speed manual. Rear gearing on the Chevy Impala SS427 is a 4.56, and it's a 4.10 set in the Hemi Charger. Curb weight for the 1967 Chevrolet Impala Super Sport 427 is 4103 pounds, and the 1971 Dodge Charger Super Bee hemi is 3979 pounds. There were only 13 1971 Dodge Charger Super Bees equipped with a hemi and an automatic transmission. There were over 73,000 Impala Super Sports made in 1967 with the V8. In December 1970 Motor Trend tested a 1971 hemi Charger and it ran 0-60 in 5.7 seconds and the quarter mile in 13.73 seconds @ 104 mph. The Impala SS427 was tested by Car Life in May of 1967, and with an automatic transmission and 3.07 rear gears it ran 0-60 in 8.4 seconds and the quarter mile in 15.75 seconds @ 86.5 mph.

Remember, both cars participate in Factory Stock class through F.A.S.T drag racing. Make sure you visit their website. https://www.fastdrags.com

Here are the Factory Stock rules:

Rules
For 1955 to 1979 muscle cars built in United States and Canadian assembly plants with a minimum warranty of 12 months and 12,000 miles.

Drivetrain:
Automatic Transmissions: The transmission and torque converter must be correct for the year, make, and horsepower claimed. Shift improver kits are allowed. After-market shifters are not allowed. No manual valve bodies. No lightweight internal components allowed.
Manual Transmissions: The transmission must be correct for the year, make, and horsepower claimed. 3-speeds may be upgraded to the correct 4-speed if originally available.

Rear Axles:
The rear axle must be of the same manufacturer as the car. Any gear ratio is allowed. Driveshaft safety loops are mandatory on all cars 13.99 and faster!

Engine:
Must be factory correct for the year, model, and horsepower claimed. Dealer installed engines and dealer performed engine modifications are not allowed. Casting numbers must be correct for the year and horsepower claimed including intake manifold, heads, and exhaust manifolds. Modifications are prohibited. Blocks do not have to be "numbers-matching," but they must be the correct displacement. Overbores up to .070" are allowed. Stock cranks only. NO strokers! Random P&G checks are possible. Compression may be increased to the greater of NHRA allowable stock blue print or 1.5 over advertised compression. NHRA

Electrical System:
The battery must be retained in the original location and securely fastened down with the original style hold down. The charging system must be fully operational at all times.

Fuel System and Carburetor:
The carburetor must be correct for the year, make, and horsepower claimed. Jetting and metering changes are permitted. THE CHOKE ASSEMBLY MUST BE IN PLACE AND FUNCTIONAL!

Valve Train:
The complete valve train must be factory stock for the year, make, and horsepower claimed. Rocker arm ratio must be correct for the year and horsepower claimed. Roller tip rockers allowed as long as correct ratio is used.

Camshaft:
The camshaft must be correct for the model, year, and horsepower claimed for duration, lift, and type of lifter (hydraulic or solid). No roller cams allowed.

Exhaust:
Cast iron exhaust manifolds are mandatory and must be correct for the year, model, and horsepower claimed. NO internal modifications to the exhaust manifolds are allowed. Under no circumstances will headers be allowed, including those cars that came with headers delivered in the trunk. The exhaust system may be upgraded to a maximum of 2.5-inch head and tail pipes.

Ignition System:
The ignition system must be stock, including the distributor, cap, coil, and wires. Points may be replaced with any electronic conversion that fits under the stock distributor cap.

Suspension:
Front Suspension: Stock springs and shocks must be retained. Drag springs and shocks that allow excessive lift during launches are NOT allowed.
Rear Suspension: Traction devices are limited to hop-stop bars for the upper control arms on coil-spring cars. Pinion snubbers and clamping of springs are allowed on leaf-spring cars.

Tires & Wheels:
Reproduction tires or radial tires only. No soft compound tires of any kind allowed. Retread tires are not allowed. Use of traction compounds or rubber-softening chemicals on tires are strictly prohibited.

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