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Super Moderator
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Discussion Starter · #1 ·
Do the 351W 4-into-4 headers drop into a steeper angle than the 302 headers in order for the exhaust to line up with the cutouts? If I use them on my 302, would they be low enough to make the transition similar to the 289FIA sidepipes?

Just trying to avoid having to make custom headers if at all possible. Making the sidepipes is the easy part.

Thanks
 

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Pro FFR Builder and Moderator
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It's possible but you won't know for sure until you test fit one.
 

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Premium Member
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because of the taller deck height of the 351, the headers should be steeper and shorter. Bolted to an 8.2 deck block, the flange would be positioned lower and further in-board, which sounds like a good start for your 289 exhaust. If nothing else, it would most likely be easier to start w/ that option and modify them if you have to, rather than build from scratch. :beer:
 
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