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Rev · 08-07-2006, 08:17 PM

AFR's come CNC ported. No work is necessary. I spent a whopping $150 getting my TFTW heads pocket ported. The TFTW heads come with 1/4" higher rails for the valve covers mounting surface allowing stock valve covers with roller rockers and no clearance problems. There really should not be much extra work needed with new Al. heads.

Rev

08-07-2006, 08:17 PM	#4
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	Re: Cylinder heads. Stock iron or aluminum? AFR's come CNC ported. No work is necessary. I spent a whopping $150 getting my TFTW heads pocket ported. The TFTW heads come with 1/4" higher rails for the valve covers mounting surface allowing stock valve covers with roller rockers and no clearance problems. There really should not be much extra work needed with new Al. heads. Rev __________________ '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; 08-08-2006 at 09:59 AM..