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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 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 ...
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.
The 429 Cobra Jet with Ram Air was the standard engine for the Cyclone Spoiler, with the 429 Super Cobra Jet with Drag Pak and Super Drag Pak optional. The Super Cobra Jet upgraded the block to four main bolts and provided a mechanical flat-tappet camshaft, and the carburetor was changed from a 720 cfm Rochester QuadraJet to a 780 cfm Holley.
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 ...
The powerful 428 cu in (7.0 L) Cobra Jet, another FE derivative and the largest engine offered in the Ranchero to date, was a mid-1968 option. The 1968 model marked the final year of production of the 289; a 302 cu in (4.9 L) V8 with two-barrel carburetor became the standard V8 in 1969.
429 Cobra Jet 454 Super Sport 455 460 V8 472 V8 500 V8: ... this version was kept in production until 1979. New series numbers were issued almost every year, ending ...
The Ford Mustang Mach 1 is a combination performance and appearance package offered as an option for the Ford Mustang in August 1968 for the 1969 model year.. Over the following years, the package was available with various engines that became more modest as emissions controls, unleaded gas, fleet mileage quotas, and higher gasoline prices undercut the "horsepower wars" that were the origin of ...