If you have a choice----


I put a 460 in my 1970 F250 , a 1974 F350 with 460, a 1980 Ford with 400 and later had a 1984 Chev crew cab with 454-----------Ford with 460 was much better than chev 454, ford 400 dud---1970 460 had higher compression than later ones and the cam was timed earlier ( Smogela days, lower compression, retard cams, sniff exhaust pipe)


I would put alum heads on what ever you choose as the iron ones are heavy-----------