1970 Ford Mustang Boss 302 Ultimate In Depth Guide The 1970 boss 302 once again featured ford’s specialty 302 cubic inch v8. this engine was fitted with a set of specially tuned cleveland heads, which were less restrictive than ford’s standard 302ci heads. the 302’s powerplant was also topped with a 780 cfm holley four barrel carburetor. the high output 302 cubic inch v8 was rated at 290. Boss 302 – 1970 boss. in 1970 the boss 302 was a camaro killer, it could go 0 60 mph in 6.0 seconds. i was still only available with the special 302ci 290 hp high output engine. it had a close ratio 4 speed transmission, a 3.50:1 rear axle, a staggered shock competition suspension and a 16 : 1 steering box.
1970 Ford Mustang Boss 302 Coyote Classics The 1969 boss 302 (top) and the 1970 edition (with optional shaker hood) were slightly different. the ’69 heads had enormous 2.23 inch intake valves, while the ’70 had slightly less so, but still enormous, 2.19 inch intake valves. the steel crankshaft in the ’69 was cross drilled, while in the ’70 it wasn’t. The engine lineup changed slightly for 1970 and was another benchmark year for ford mustang in its proliferation of performance engines. the base engine continued to be the 200 cubic inch six cylinder. the economy minded mustang owner could still opt for the 250 cubic inch six cylinder. the base v8 continued to be the 302 2v v8. Buyer's guide. events. magazines. the future. videos. join newsletter. 1970 ford mustang boss 302 the ultimate survivor. this like new, 2,400 mile '70 boss 302 was recently rescued from 39 years. The dual exhaust system was improved for both boss models. at $3,720 the boss 302 was a bargain, but this would be its last year. the boss 429 continued as ford wanted to keep the engine homologated for nascar. a total of 499 were sold for 1970, built by kar kraft in brighton michigan, which heavily modified the front end, pushing the shock.
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