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Original Message
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RE: You get a Big "F" for asking that. |
By John Saxon - 08/17/2003 5:43:11 AM; IP 167.147.32.129 |
Don't know if ford was chintzy with them because personally I've seen as many big F heads as regular medium riser heads,I believe valve sizes and actual port openings were same as regular because you'd think it would would have to pass tech inspection,but I don't have any clue as to why they flow better must have something to do with internal port size and contour.Also the large F was moved to between the 2 outer exhaust ports on the heads I've seen. |
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