The Boss 429 Mustang, like its Boss 302 sibling, was first created in 1969 and was only produced through 1970. In those two years only a few Boss 429s were created, but its legacy far outshadows its numbers. The Boss 429 became an automotive legend due to its impressive performance specs and appearance. Apr 21, 2017. “We’d go to Hot Springs, Arkansas, every Fourth of July. In 1982, I was looking for a Mach 1 or a 1969-70 Mustang. In the paper, I found a 1969 Mach 1 428 Cobra Jet with air and The lead photo shows a Mach 1 wearing Magnum 500 wheels, which were not available on the 69 Mach1, they were an option on the 69 Boss 302/429. Other photo’s show a hood tach installed. A closer look at the lead photo shows that the shaker scoop has a Cobra Jet emblem on it, the subsequent photo’s show the 351 emblem. Ford offered the Super Cobra Jet version of the 429. The 429 Super Cobra Jet (429SCJ) was fitted with a Holley 735 cu ft/min (20.8 m3/min) 4-bbl carburetor, larger mechanical camshaft, and a four-bolt main block. The engine output was increased to 375 hp and 450 lb-ft of torque, coming with a 3.91:1 or 4.30:1 rear axle ratio. tell all you need to all you need to know about the 1970 ford mustang to how many was made what colors what size motor. Mach 1: 40,970: Boss 302: 7,013: Boss 429: The first SVT Cobra made its debut at the 1992 Chicago Auto Show, highlighting the abilities of the SVT. While the exterior was like the 1993 Mustang GT, the Cobra’s fangs were nestled squarely beneath the hood. Initial Cobra Mustang specs included an impressive V8 that could put out 235 hp and go from zero to 60 mph in 5.9 seconds. In 1971, 149,678 Mustangs of all types were produced with 36,499 being Mach 1 models with all engines (with the 1,806 Boss 351 SportsRoofs broken out separately). Of those 36,499 Mach 1 models 2022 Mach 1 - 700A, Eruption Green, H P, A10, Nav - Chassis #2833 Order Placed with Granger Motors: 11/28/21, PICKED UP 8/24/22 Drove her 2911 miles home from Granger, Iowa, 9/2/22 MODS: Michelin PS4S tires, FPP X-Pipe, SVE M1HP Wheels Powder Coated Bronze, Cervini GT500 Hood, FPP Ice White Tail Lights, Rear Window Louvers, WMG Short Shifter, Steeda Jacking Rails, Custom Mach1 Hood Graphics by That’s within spitting distance of the 428 Cobra Jet’s 335 hp and 440 lb-ft (spitting distance being 3.7 percent fewer horses and 3.0 percent less torque, assuming Ford’s rating methods for both engines were consistent). Ford put the S-Code 390 in a good many Mustangs: 28,800 in 1967; 9,228 in ’68; and 10,464 in ’69. In 1969, the Mustang got bigger still—3.8-inches longer and half an inch wider, with no change in the 108-inch wheelbase. Ford dropped the 289 and added a new 351-cid (5.8-liter) V-8 with 250 or DGPHur.