Thread: Musty smelling exhaust
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07-20-2009 08:22 PM #1
Cam Timing?
I have been struggling with this same thing since the rebuild on my Buick 455. I've gone from the fuel tank through to the exhaust. Nothing I've done has changed it one bit.
Everything tests out perfectly, tried every trick. It seems to get better sometimes, then comes raging back.
Can the cam may be advanced too much? When does advancing it cause an overly rich condition?Last edited by batsong; 07-20-2009 at 10:07 PM.






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