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okay so i just changed my header setup....

old setup=
shortie - hf cat + custom 2.5" flex [all one piece] - 2.5" borla


new setup=
fs race header - stock flex [for now] - 2.5" Borla - no cat

[only gonna use temp cat when comes time for emmisions]


so my question is....

do i need to re-tune my cams??
 

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yeah because you HAD more low end grunt with the shorty and NOW you have the race header which gives you more high end grunt..

so you would have to re-adjust your cams or your cam gears to compensate for the different power band.
 

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Nah, it should be the same.. The flowage of the new setup should be pretty close to the old setup.. It isn't going to make enough difference to retune the cam gears.. I would do it if you went from a stock manifold, and exhaust. You already had an exhaust and it was opened up at the head so it should be just fine..

The header will only add in the top end just from itself.

Eric
 

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voice inside anthony head:why not re-tune it... maybe I will pull enough power to spank marc... mmmhhhhhhh
 
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