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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 Mustang's engine compartment was not wide enough to accommodate the massive Boss 429 engine, so Ford contracted with Kar Kraft of Dearborn, Michigan, to modify 4-speed Cobra Jet Mustangs to accept it. Kar Kraft was a Ford exclusive experimental facility that functioned as Vehicle Engineering for Ford's Special Vehicles.
The first was the 429 Thunder Jet, the standard engine for the Cobra, rated at 360 hp (270 kW). Next was the 429 CJ (Cobra Jet), rated at 370 hp (276 kW), which included a 2-bolt main block, hydraulic lifters, a 700 CFM Holley or 715 CFM Rochester Quadrajet carburetor, and was available with or without Ram Air. The top option was the 429 SCJ ...
Ford Mustang Cobra Jet. ... The most famous are the 1969–70 Boss 302, built to dominate Trans Am racing, and the 1969 and 1970 Boss 429 built to make the 429-cubic-inch V-8 legal for NASCAR.
429 Ford Thunderjet The 1968 Thunderbird saw the introduction of the new 385 series big-block "Thunder Jet" 4V (4 barrel carburetor) 429 cu in (7.0 L) V8 engines . Like many Ford engines of the time, they were conservatively rated at 360 hp (268 kW) (SAE gross).
Members of VFA-87 restored the Golden Warrior Mustang and gave it an aviation-inspired theme, Golden Warrior command badges, distinctive striping, USA roundel, and other details that match the look of VFA-87 fighter jets. Another Mustang Cobra coincidence is the Northrop YF-17 Cobra was developed into the carrier-capable F/A-18 Hornet for the ...
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 ...
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.