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Old 28th April 2006, 07:47 AM  
Join Date: Oct 2002
Location: Canada
GT40: Project
Posts: 38
Re: Gurney Weslake Head performance

I was pretty sure that many of the modern heads would outperform the original GW heads. Curiosity getting the better of me, I was wondering if anyone had some specifications so that I could compare them.

I'm also curious about the original cam grinds.

My goal is to equal the power of the '69 Gulf cars with a 331. The slight increase in displacement will allow for a slightly milder setup for the same peak power and with EFI and a good computer, the engine would be pretty friendly on the road while still being able to headbutt the horizon with enthusiasm.

1074R/001 is offline   Reply With Quote