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Late 80s vs mid 90s 351

991 views 7 replies 5 participants last post by  IDIeselman 
#1 ·
Anyone know the difference in power between the 2? I have both but it would be easier to run the 88 motor I have. The trans is already on it and I wont have to mess with the oil filter deal and it has a good pan. I need to change the pan on the 90s engine.
 
#8 ·
Roller 351s start with the casting # F4TE (94 and newer) Among a few others the lifter bores are taller in the F4 roller blocks. If you will be building for HP in the future use the 94+, If you are just running it with mild upgrades the 88 will be great.
 
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