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Old 03-21-2012, 07:46 PM
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Air Randy Air Randy is offline
Cruise Moab Committee
 
Join Date: Aug 2008
Location: Franktown, CO
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I installed my header, along with the liquid heat riser and it works great. If you install a header and don't get even small power gains and you lose MPG, then it's because you didn't re-jet the carb after installing the header.

I also didn't have to go to any extremes to get my header to seal up without leaks. Just used a standard gasket and made sure I torqued it up evenly then hit it again when it was really hot.

It's a matter of personal choice, especially since you already have the header. Pull off the manifold and give the header a try. While you're doing that, get the manifold fixed, that way you can always swap back if you want.
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