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Dimitrim · 04-26-2016, 10:58 AM

I would have your mechanic do a leak down test on all 8 cilinders. It could be coming from your top end, valve guides and valve stem seals. If so it is a lot cheaper doing a valve job than a piston ring job.

04-26-2016, 10:58 AM	#2
Dimitrim Dimitri Drives: 68 GTO 455 Ram Air; 2014 Camaro ZL1 Join Date: Jan 2014 Location: Novato, California Posts: 602 View My Garage	I would have your mechanic do a leak down test on all 8 cilinders. It could be coming from your top end, valve guides and valve stem seals. If so it is a lot cheaper doing a valve job than a piston ring job.