Re: New or rework?
I used 351W heads pocket ported and gasket matched for a while. They worked well on my 306 for several years and made around 300 hp. I did finally upgrade to TrickFlow TW heads and now run 350+ hp. You will get more by going with the aftermarket Al. heads, but $$$ will be a little more.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
Last edited by Rev; 03-19-2006 at 03:48 PM..
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