With claims on the site for up to 95HP increase with fully done all the "fixin's" heads anyone have real world observations?
Ford Modular 4.6 & 5.4 Cylinder Head Porting [PORTING] - $950.00 : Modular Motorsports, Home of the worlds fastest Fords
Modular Motorsports Ford Modular 4.6 & 5.4 Cylinder Head Porting [PORTING] - Send in your 4.6 or 5.4 SOHC, DOHC or 3 Valve cylinder heads and have the Ford Modular World record Holders do their magic. The Worlds fastest Mustangs rely on MMR cylinder head porting to put them in the winners circle...
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