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1969 Buick GS 400 vs 1969 Chevrolet Chevelle SS PURE STOCK DRAG RACE

1969 Chevrolet Chevelle SS 396 vs 1969 Buick Gran Sport 400 First car is a 1969 Chevy Chevelle Super Sport. The other a 1969 Buick GS. The Chevelle SS has a L78 396 V8, while the Buick Gran Sport has a 400 V8. The Chevrolet Chevelle SS396 L78 was rated 375 horsepower. The Buick GS 400 was rated 340 horsepower. The Chevy Chevelle has a 4-speed manual transmission, and the Buick GS has a 3-speed automatic transmission. The Chevelle Super Sport has its stock 4.10 rear gears. The Buick Gran Sport has 3.31 rear gears. The Buick weighs-in at 3812 pounds with the driver included, while the Chevrolet Chevelle is 3846 pounds. There were 9486 total L78 equipped Chevelles/El Caminos made in 1969. Only 2024 total GS400 Buicks were made in 1969 with the automatic transmission. Original testing for the Buick GS from Motor Trend 1/1969 showed a 0-60 of 7.7 seconds and the 1/4 mile in 15.9 seconds @ 89 mph, however this was with a convertible equipped with an automatic transmission and 2.93 rear gears. The L78 Chevy Chevelle SS396 was tested by Hot Cars Magazine in March of 1969 and it ran the quarter mile in 14.07 seconds @ 101 mph, but they reported the Muncie shift linkage was very poor and the car could likely run quicker. Pure Stock Muscle Car Drag Race (PSMCDR). FAST Factory Appearing Stock Tire factory stock. Super Car Drag Race. Remember, both cars participate in the Pure Stock Muscle Car Drag Race series, so please check out their website: https://www.psmcdr.com Also make sure you find them out on Facebook. The rules for PSMCDR are listed below: For 1955 to 1979 musclecars built in United States and Canadian assembly plants with a minimum warranty of 12 months and 12,000 miles. Any car running faster than 11.50 will be disqualified and will not have a qualifying time recorded. Any convertible running faster than 13.50 will be disqualified and will not have a qualifying time recorded. Casting numbers must be correct for the year and horsepower claimed including intake manifold, heads, and exhaust manifolds. Blocks do not have to be "numbers matching," but they must be the correct displacement. Overbores up to .070" are allowed. Stock cranks only. All Engines – 1.5 extra points allowed over advertised. The camshaft must be correct for the year, model, and horsepower claimed for the type of lifter (hydraulic or solid). Roller cams NOT allowed. The valve train must be factory stock for the year, make, and horsepower claimed. 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. 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. 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. Maximum muffler inlet and outlet size is 2.5 inches. X & H pipes allowed. The radiator must be correct for the year, make, model, and horsepower claimed. No lightweight, aluminum radiators allowed. The camshaft must be correct for the year, model, and horsepower claimed for the type of lifter (hydraulic or solid). Roller cams NOT allowed. Duration at .050" lobe lift must be within 1% of factory specs. Lift at the valve must be within 2% of factory specs. Maximum stall limited to 2200 rpm. The transmission must be correct for year, make, model and engine of the car. 3-speed manuals may be upgraded to the correct 4-speed if originally available. The rear axle must be of the same manufacturer as the car. Any gear ratio is allowed. Reproduction tires or radial tires only.You are allowed to run tires one size over stock. Factory wheels only. Disclaimer: The Cars And Zebras YouTube channel is a news channel bringing results/news of drag racing with added history of automobiles. All footage/pictures used were either captured by the Cars And Zebras channel, or used for critique purposes under Fair Use. #buick #chevelle #chevyperformance
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