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Ont67shortbox · 07-26-2009, 08:08 PM

I would take them to a machine shop first and have them checked.As mentioned porting can hurt if not done correctly,your also dealing with 40 yr old technology,there are some excellent heads out now at decent prices that may flow better,with more advancements than the 077s.

07-26-2009, 08:08 PM	#4
Ont67shortbox Registered User Join Date: May 2003 Location: Ontario Posts: 279	Re: 077 aluminum heads I would take them to a machine shop first and have them checked.As mentioned porting can hurt if not done correctly,your also dealing with 40 yr old technology,there are some excellent heads out now at decent prices that may flow better,with more advancements than the 077s. Last edited by Ont67shortbox; 07-26-2009 at 08:09 PM.