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Which seet of heads

556 views 1 reply 2 participants last post by  Steel 
#1 ·
sorry to be bugging you so much but i have a question about my heads which one would i get more power and better all around my 350 heads off a 1978 or the 350 heads off a 1994 engine they are both not ported they both are redone and i want to port the ones that would be better they are going on my 400 Chevy
 
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