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Ford developed two high-performance street versions of the 429 between 1969 and 1971, the Cobra Jet and Super Cobra Jet. The Cobra Jet (429CJ) was fitted with a Rochester Quadrajet 715 cu ft/min (20.2 m 3 /min) Spreadbore 4-bbl carburetor, a larger camshaft; a special set of cylinder heads (DOOE-R) 73.5 CC, combustion chamber and canted valve ...
The top option was the 429 SCJ (Super Cobra Jet), rated at 375 hp (280 kW), and was part of the "Drag Pack" option. Selecting the "Drag Pack" option turned a 429 CJ into a 429 SCJ. The drag pack required either the 3.91:1 or the 4.30:1 axle ratio, and included a 4-bolt main engine block, forged pistons, 780 CFM Holley carburetor, engine oil ...
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Many experts think this may have been done in order to get the bodywork of the Talladega officially homologated at the beginning of the 1969 race season, as the Boss 429 was not yet in production in sufficient numbers to homologate it. All production Talladegas were actually equipped with the new 428 Cobra Jet, which, while very powerful and ...
Each car was given a "KK" number which stood for Kar Kraft. KK #1201 was the first Boss 429 and KK #2558 was the last Boss 429 made. [5] However, sales started to drop off for the 1970 Boss 429 Mustangs and with higher production costs and other internal Ford problems, it was decided that 1970 would be the last year of the Boss 429.
Production Blackhawks used Pontiac Grand Prix running gear, Pontiac's 7.5 L (455 in 3) V8 engine, a GM TH400 three-speed automatic transmission, and rear-wheel drive. With its engine tuned to produce 425 hp (317 kW) and 420 lb⋅ft (569 N⋅m), the 5,000 pounds (2,300 kg) Blackhawk can accelerate to 60 mph (97 km/h) in 8.4 seconds with a 130 ...
351 Cobra Jet; 302 Windsor V8; 351 Windsor V8; 400 Cleveland Ford 335 engine#400 V8 aka 400FMX certain 1973 casting numbers D1AE and D3AE, mated to the FMX transmission) 3.8/3.9/4.2L Canadian Essex 90° V6 (RWD only) 240 I6; 300 4.9 I6; 4.6L Modular V8 (first two casting runs, numbers F1AE and F2VE) 302 5.0L Windsor V8; 351 5.8L Windsor V8
The Boss 302 and Boss 429 were discontinued, with both Boss engines and the 428 Cobra Jet replaced by a 370 hp 429 Cobra Jet V8 (with or without Ram Air). [ 33 ] For 1972, Ford adopted SAE net horsepower ratings, leading to a numerical decrease in advertised engine output.