1963 Studebaker Avanti R2 vs 1970 Buick Skylark. Pure Stock Muscle Car Drag Race. Factory Stock Drag Race.
First car is a 1970 Buick Skylark. The other, a 1963 Studebaker Avanti. The Avanti has a 289 R2 V8 that is factory Paxton Supercharged. The Skylark has the high compression/high performance 350. The R2 in the Avanti was rated 289 horsepower, and the high compression 350 was rated 315 horsepower. The 1970 Buick Skylark has a TH350 3-speed automatic, and the Avanti has a Borg-Warner Power Shift 3-speed automatic. Rear gearing is similar for these cars, 3.70 in the Buick Skylark and 3.73 in the supercharged Avanti. Weight of the 1970 Buick Skylark is 3724 pounds, which includes the driver. The Avanti came-in at 3610 pounds. There were only 1552 total R2 equipped Studebaker Avanti produced in 1963. Motor Trend tested a R2 supercharged Avanti in July 1962 and it ran 0-60 in 8 seconds and the quarter mile in 15.8 seconds @ 91 mph. Road Test Magazine tested a 1970 Buick GS350 and it ran 17.4 seconds @ 88 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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