1970 Ford Mustang Boss 429 engine specs, photos

Initially launched in 1969, the 1970 mustang boss 429 was produced by Ford Motor Company in moderately restricted numbers; its supremacy came to an end when Ford without warning chose to put an end to its Ford Total Performance plan and its backing of all motorsports activities.

1970 mustang boss 429


By 1970, the Boss 429 Mustang was dwindling down in production. Though the 1969 and 1970 models appear equal, except for a few apparent exterior model revisions, the two are in actuality quite dissimilar. A total of 859 units were produced in 1969, followed by 499 more mustangs 429 in 1970.

1970 Ford Mustang Boss 429 review

Some of the bid dissimilarity incorporated in the 1970 ford mustang boss 429 version was similar in many ways to the 1969 model. Both engines had automatic camshafts that were initially initiated mid-year 1969.

The 1970 ford mustang boss 429 specs had a five-blade flex-fan replacing the initial seven-blade type. Ford-built 4-speed shifters were swapped with Hurst heavy duty models. Its hood scoop retained the same design but was now tinted black as a substitute to the body color.

1970 mustang 429


Changes in handling were restricted to mounting an earlier designed rear anti-sway bar installed over the axle taking over a vaguely bigger unit located right under the rear axle. Finally, a twin in-line exhaust system took over the crosswise muffler method of 1969.

The 1970 model were available in five new exterior colors namely the Grabber Green, Grabber Orange, Grabber Blue, Pastel Blue and Calypso Coral, while the inside was offered in Black or White design.

1970 Ford Mustang Boss 429 engine specs

The 1970 ford mustang boss 429 engine was specifically designed to win NASCAR races. A 2-door coupe it boasted a fore-mounted engine, the 820-A, 429 ci V8 version with exclusive aluminum semi-hemi cylinder heads and Ram Air intake, rev limiter, solid lifter cam, adjustment to the fuel-emission system and a more capable cooling fan.

1970 ford mustang boss 429 engine


This particular Ford Mustang Boss 429 has a 4-speed Manual gearbox with the power being supplied via its Rear-Wheel-Drive system and a traditional 375 hp and 450-lb. ft. of torque, and a 4-speed top loader with Hurst shifter. The Ford Mustang Boss 429 has a high speed of 115 mph. A cast aluminum, high-rise, dual-plane ingestion manifold was mounted also, next to a Holley 735-CFM 4-barrel carburetor. It runs on 15 x 7-inch Magnum 500 5-spoke steel wheels which were covered with Goodyear Polyglas F60-15 bias ply tires.

1970 ford mustang boss 429 specs

The interior of the 1970 was the only year in which customers could option their Boss 429 with a white interior, rather than standard black with an 8,000-RPM tachometer, imitation teak wood-grained inserts, manual choke knob and a Rim-Blow steering wheel. The car doors were made of semi-deluxe panels as opposed to full deluxe panels used on the 1969 Ford mustang models.

1970 Ford Mustang Boss 429 photos