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Original Message
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The pic descriptions are wrong. |
By Dave Shoe - 01/15/2002 1:19:51 PM; IP 216.243.158.103 |
The -F marked manifold in the photo may be a MR design, but it's the one used on the 428PI engine. Since I've heard Ford refer to this intake as the 428PI intake, I doubt it'd also be the 427MR's main intake, too, as it'd never have gotten branded with the PI nickname. I've suspected this intake may have found it's way onto factory 427MRs at one time or another, but I've just never seen what a new 427MR engine comes with.
The -C manifold is a "Sidewinder". It has significantly unequal runner lengths, as it was designed for use on circle tracks. The offset carb was supposed to help feed both the left and right banks of cylinders more equally then a center-mounted carb can allow in high g-force circle track racing. I've heard the Sidewinder was a stock MR intake, but I'm not so sure I can believe this was true.
I guess I know what the manifolds are, I just don't know what came stock on 427MR engines.
Shoe. |
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