Thread: Engine Noise
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Old 04-08-2014, 08:18 PM   #2
ZMEnow

 
Drives: ZL1, 2013, tri-coat-red, manual
Join Date: Nov 2013
Location: Michigan
Posts: 1,607
Yep, put a stethoscope on the first cylinder thought it was loud. Took it to the dealer and let the GM performance tech and GM heavy tech listen they thought it was just lifter drive train noise. Now after all that phobia, its no louder than the right. Just jam the throttle and quit worrying, if it turns out to be a lifter then you will know, but no since having the heads pulled just because you suspect...
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