denny411 Posted September 13, 2002 Share Posted September 13, 2002 Are the n47 heads from 77 worth anything performance wise? I`ve got one and I want to know if it`s worth messing with. Quote Link to comment Share on other sites More sharing options...
Cruez Posted September 13, 2002 Share Posted September 13, 2002 Pretty decent if you want to run a high compression N/A setup.. thats what I did.. Quote Link to comment Share on other sites More sharing options...
Nismo280zEd Posted September 15, 2002 Share Posted September 15, 2002 Just about every machine shop you call will tell you the opposite, but the N47 is a better head than the N42. if you compare them stock to stock... the N42 flows better.. but if you do a little porting on the bowl of the intake on the N47 it dramatically outflows the N42.. just my ideas. ED Quote Link to comment Share on other sites More sharing options...
denny411 Posted September 15, 2002 Author Share Posted September 15, 2002 my reply will be in the buy sell section then Thanks for the input guys. Quote Link to comment Share on other sites More sharing options...
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