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SN95 Cobras
excessive popping in exhaust at idle?
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<blockquote data-quote="RPM4DAZ" data-source="post: 13597026" data-attributes="member: 54154"><p>It seems that all modular engines have a distinct off beat sound/note at idle. Mostly from the right side. I think it is from the extra timing between cylinder three and four in the firing order. Now if the car sounds like a real slight miss or pop at idle, it could be a burnt exhaust valve or an exhaust valve not fully seating and seal properly. It could be spotted in a compression or leak down test. It probably won't cause to much of a problem for now, but could cause some damage down the road. Good Luck and keep us updated...</p></blockquote><p></p>
[QUOTE="RPM4DAZ, post: 13597026, member: 54154"] It seems that all modular engines have a distinct off beat sound/note at idle. Mostly from the right side. I think it is from the extra timing between cylinder three and four in the firing order. Now if the car sounds like a real slight miss or pop at idle, it could be a burnt exhaust valve or an exhaust valve not fully seating and seal properly. It could be spotted in a compression or leak down test. It probably won't cause to much of a problem for now, but could cause some damage down the road. Good Luck and keep us updated... [/QUOTE]
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excessive popping in exhaust at idle?
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