I have a 57 F600 with a 390/5spd/2spd . I used a set of headers from a 75 1/2 ton pickup with a 360 2wd. They fit OK-- very tight on the steering box and the starter. Made quite a difference in power .
Have A Great Day ------ Hotwrench
__________________ FERGUSON'S GARAGE est. 1967 car , truck , heavy equiptment repairs 4 X 4 specialists PORTABLE WELDING SERVICE TOWING New @ used PARTS 1981 L 800 460 5 speed , 2 speed rear 1957 F 600 390 5 speed
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