1969 Pontiac Grand Prix vs 1965 Buick Skylark Gran Sport | STOCK DRAG RACE

1969 Pontiac Grand Prix drag racing 1965 Buick Skylark Gran Sport. Pure Stock Muscle Car Drag Race. Factory Stock Drag Race.
First car is a 1965 Buick Gran Sport, and the other a 1969 Pontiac Grand Prix. The Grand Prix has a 428 H.O. V8, while the Gran Sport has a 401 V8. The 401 in the Buick was rated 325 horsepower. The V8 in the Grand Prix was rated 390 horsepower. Both cars have 4-speed manual transmissions. Rear gearing in the 1969 Grand Prix is 3.55, and the Buick has a slightly more aggressive 3.90. The Gran Sport is somewhat heavy, weighing-in at 3898 pounds including the driver. The Grand Prix is quite a bit heavier than that, weighing 4304 pounds with the driver included. There were only 598 Gran Sports produced in 1965 with the 4-speed manual transmission, and only 116 428 H.O. 4-speed Grand Prix produced in 1969. Car Life tested a 1969 Grand Prix with a 428 H.O. and a TH400 and it ran 14.1 seconds @ 95.3 mph. Motor Trend tested a '65 Gran Sport with a 2-speed auto and 3.36 rear gears and it ran 16.6 seconds @ 86 mph.

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 – CR 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.


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