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Although the high-performance 429 Cobra Jets were still rated at the same power as the 1970 models, Super Stock and Drag Illustrated had disappointing results from its test of a 1971 Torino Cobra. They tested a Cobra equipped with the 370 hp (280 kW), 429 CJ, C-6 automatic, 3.50:1 gears, and were only able to turn a best quarter-mile time of ...
The 1971 429 police interceptor was tuned similarly to the 429 Cobra Jet, with an 11.3:1 compression ratio. Featuring forged notched pistons [clarification needed] the engine was rated at 370 hp (gross). [citation needed] Applications: Ford Thunderbird (1968–1973) Ford Mustang (1969–1971) Ford Mustang Boss 429 (1969–1970)
Later in the season, the Boss 429 engine was used by many of the teams, after it had finally been declared "officially homologated" by NASCAR president Bill France. The Boss 429 engine was homologated in the 1969 Ford Mustang Boss 429. In a very unusual move, Ford homologated the engine separately from the car in which it was to race.
Renowned for high-performance strength and durability, the Toploader (particularly the four-speed) equipped such sought after "A-list" cars as the Mustang, Talladega, AC Cobra, AC Frua and Sunbeam Tiger as well as the Ford Fairlane, Falcon, Galaxie, Ranchero, Torino, Bronco and the Mercury Comet, Caliente, Cyclone, (Mercury Cougar 1967 1973) and Marauder.
The engine was rated at 266 hp (198 kW) (SAE net) for 1972 when installed in the Mustang, and 248 hp (185 kW) in the Torino and Montego. [5] An increase in the combustion chamber size and the use of smaller valves occurred in 1973, [ 1 ] which reduced horsepower to 246 hp (183 kW) for the four-barrel for the intermediate Fords, though it still ...
While Chevrolet's El Camino used the same body from 1968 to 1972, 1970 had a complete restyle for the Ranchero, which had started with a boxy body style. Both the Torino and Ranchero featured a shallow-pointed grille and front end with smooth, somewhat more curvaceous lines influenced by coke bottle styling. A fourth trim option was made ...
After the 1970 season, NASCAR effectively banned the "aero cars", by restricting all four of the limited aero "production" cars to having to compete with engines no larger than 305 cubic inches of displacement (vs. the 426, 427, & 429 inches that the other cars could run), and the competitive history of the Mercury Cyclone Spoiler II (and its ...
For 1969 and 1970, Ford and Chrysler developed aerodynamic homologation special models that were later dubbed the Aero Warriors. [ 2 ] Changes in the United States automotive market that downsized passenger cars led to the Generation 3 cars in 1981, which featured shorter wheelbase and the cars being increasingly purpose-built.