03-20-2012, 06:21 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,973
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Not Ranked
Yep, leaky primary pipe connections at the head will cause that sort of popping -- that's the first thing I'd look for.
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