1970 Nova Yenko drag racing 1974 Firebird Formula PURE STOCK DRAG RACE - no commentary

1970 Chevrolet Nova Yenko Deuce drag racing 1974 Pontiac Firebird Formula SD-455 and a 1969 Plymouth Road Runner A12
First car is a 1970 Chevy Nova Yenko Deuce. The second a 1974 Pontiac Firebird Formula. The last a 1969 Plymouth Road Runner A12. The Nova Yenko Deuce features a LT-1 350 V8, the Firebird has a Super Duty 455 V8, and the Road Runner a 440 6-barrel V8. The Yenko Nova was rated 360 horsepower. The Firebird SD455 was rated 290 horsepower (net). The A12 Road Runner was rated 390 horsepower. The Chevy Nova has a 4-speed manual transmission, while both the Pontiac Firebird and Plymouth Road Runner have automatic transmissions. Rear gearing in the Chevrolet Yenko Nova is 4.10 gears, 4.11 gears are in the Pontiac Firebird Formula, and a set of 4.10 gears are in the Plymouth Road Runner. The Chevy Nova only weighs 3360 pounds including the driver. The Road Runner is 3714 pounds. The Firebird is 3755 pounds. They only made 57 SD455 Firebird Formulas in 1974. The Nova is also rare with only 15 produced in Gobi Beige with a 4-speed and no power steering. The Road Runner A12 was 1 of 227 featuring an automatic transmission for 1969 1/2. Car and Driver got a 1/4 mile for the 1974 SD-455 TransAm of 13.75 @ 103.56 mph, but Hot Rod ran a 13.54 @ 104 mph. The Road Runner A12 ran a 13.88 @ 106.13 mph when tested by Speed and Supercar Magazine, but Ronnie Sox got a 12.91 @ 111 when he ran it for Super Stock Magazine.
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: 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.
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