1971 Dodge Charger R/T 440 vs 1973 Buick Riviera Stage 1. Pure Stock Muscle Car Drag Race. Factory Stock Drag Race.
First car is a 1973 Buick Riviera. The other a 1971 Dodge Charger R/T. The Dodge Charger has a 440 V8, and the Riviera has a 455 V8. The Stage 1 455 V8 was rated 260 (net) horsepower, and the 440 V8 was rated 370 (gross) horsepower. The Riviera only came with a TH400 automatic transmission in 1973. The Dodge Charger RT also has an automatic transmission, a TorqueFlite. Rear gearing in the 1971 Charger is 3.55, while the Riviera Stage 1 has 3.42 rear gears. The Charger is heavy, and with driver weighs 4224 pounds. However, the Riviera is much heavier than that… 5044 pounds! They only made 1234 Riviera Stage 1 cars in 1973. Only 3118 total Charger R/Ts were produced in 1971. Car and Driver tested a Charger R/T 440 in March of 1971 and it ran 0-60 in 6.5 seconds, and the quarter mile in 14.8 seconds @ 95.7 mph. There was no original testing for the Riviera, but it was rumored that with its stock 3.23 rear gears to run near 15 flat in the quarter.
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.
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