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Bill Harris · 05-14-2008, 03:25 PM

Hey Fred,
The engine specs for the '05 4.6L 300 HP factory rated engine says that it is a DOHC 4 valve head, which as you stated, it isn't. It's a SOHC 3 valve head. Whether the head casting number is right, who knows. Its listed as a RF-2C5E064-AF. Anyone know if that is a 3 valve or 4 valve casting? Supposedly these spec sheets come from Ford. Are they just flat out wrong?

05-14-2008, 03:25 PM	#7
Bill Harris Member Join Date: Mar 2002 Location: Ooltewah, TN Posts: 421 Likes: 13 Liked 26 Times in 13 Posts	Re: 03/04 Mustang Mach 1 in NHRA Stock??? Hey Fred, The engine specs for the '05 4.6L 300 HP factory rated engine says that it is a DOHC 4 valve head, which as you stated, it isn't. It's a SOHC 3 valve head. Whether the head casting number is right, who knows. Its listed as a RF-2C5E064-AF. Anyone know if that is a 3 valve or 4 valve casting? Supposedly these spec sheets come from Ford. Are they just flat out wrong? __________________ Bill Harris ex 2172 STK ex 2272 S/S