1970 Chevrolet Corvette 454 vs 1970 Buick GS 455 - Pure Stock Muscle Car Drag Race

1970 Chevrolet Corvette 454 LS5 vs 1970 Buick GS 455 convertible (Pure Stock Muscle Car Drag Race)
Two interesting cars.. a 1970 Chevrolet Corvette 454 LS5 and a 1970 Buick GS 455. I've always been a fan of the Buick GS; it's a great combination of power (when optioned with the 455) and luxury. The 455 is a very underrated engine. And the opponent, a Corvette with a big block 454 stuffed under the hood. However, that Corvette has an interesting rear gear ratio, so make sure you watch the video to see the numbers. Which of these cars would you guys rather have?


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The Pure Stock Musclecar Drags take place every September in Michigan. The most important rule: your muscle car must be stock. Other rules include that the cars must be built between 1955 -1975 in either United States or Canadian assembly plants with a minimum warranty of 12 months and 12,000 miles, and cars must be factory equipped with the minimum of four barrel carb ration, dual exhaust, and other factory installed equipment that promotes high-performance intent and image (AKA a musclecar).

The engine must be factory correct for the year, model, and horsepower claimed.

The transmission must be correct for the year, make, model, and horsepower claimed. Shift improver kits are allowed.

The rear axle must be of the same manufacturer as the car. Any gear ratio is allowed. Lightweight driveshafts NOT allowed.

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.

Cast-iron exhaust manifolds are mandatory and must be correct for the year, model, and horsepower claimed. Internal modifications to the exhaust manifolds are NOT 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. Pipes must be routed as they were originally for the year, make, model, and engine combination. Mufflers must be stock looking in design, that is, oval in shape. No glasspacks or straight pipes allowed unless installed as original equipment.


#corvette #buick #dragrace