Thread: lifters?
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Old 11-16-2012, 10:38 PM
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Nick911 Nick911 is offline
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Join Date: Jul 2011
Boat: 2013 Mastercraft X25, 6.0 Ilmor, Pro Package, slammed and flaked!
Location: Canada
Posts: 1,463
I've had two Silverados with the 5.3 am they both do this. My Yukon with 6.2 does it as well. I'm told it is common with all GM engines. I add 2 cans of Wynns Engine Tune Up after every oil change and it helps.
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