01-31-2015, 03:31 PM
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CC Member
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Join Date: Dec 2011
Location: West Chester,
PA
Cobra Make, Engine: ERA #795 427 S/C completed Jan. '14 - '68 FE 427 side oiler
Posts: 1,059
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Not Ranked
Hi Dan,
It was hard to hear the noise on the video but from what I thought I heard, it sounded like an exhaust leak at the slip joint. I had such a leak and could hear it as a rattling sound mostly when shifting (during engine deceleration) and when idling. Is your noise louder on one side of the car or the other or the same from both sides? It would be strange if both sides were leaking. My slip joints are also sealed with Walker's but I was able to determine exactly which one was leaking. Laying under the car, I grabbed the collector and wiggled it. I could see movement at one of the 4 slip joints - the collector moved differently than the header. The other 3 pipes moved as a unit so could tell they were solid. It was easier than expected to remove the sidepipe, get the old Walker's off and remount. I used a more generous amount of Walkers so hopefully that solved the problem.
Kevin
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"Anyone who drives faster than you is a maniac and anyone who drives slower than you is an idiot" - George Carlin
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