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Join Date: Sep 2011
Location: Bohemia
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My theory would be no. 4 piston pin a little loose...can you hear it on cyl no 4 intake mani...?


Ivan
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1985 911 with original 502 191 miles...808 198 km
"The difference between genius and stupidity is that, genius has its limits". Albert Einstein.
Old 02-08-2018, 10:35 AM
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