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Old 09-18-2006, 07:57 AM
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Join Date: Jan 2003
Cobra Make, Engine: SPF#131 520 cubes; 650 HP
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Ray,
When you had your headers/sidepipes apart, did you look at the header flange to see if any of your individual cylinder pipe ends had cracked at the flange junction? I found a couple of cracks there that I had welded up when I did a rebuild... That can also be a source for air in your exhaust
I assume your sidepipes were fine at this same location if you filled in that recess with that Wurth material...?
Pat
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