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Old 03-21-2012, 08:46 PM
Air Randy's Avatar
Air Randy Air Randy is offline
Hard Core 4+
Join Date: Aug 2008
Location: Franktown, CO
Posts: 2,854

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.
Randy Rosetta KDKWX TLCA #19351 NOW 2015 Rubicon Hard Rock & (2) 1970 Boss 302 Mustang's THEN 69 FJ40 Buggy "Meanie", Mini-truck "Gecko" & 74 FJ40 "Blue Mule"
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