Help!!!!!
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Help!!!!!
I have a 99 Z28 M6 and I have just noticed a new sound coming from my engine. When under a load: ex. In 6th gear @ 60 mph going up a hill I can hear a knocking type sound but only in conditions like those. Any other time it runs and sounds great. Could this just be some bad gas or is this the notorious piston slap? What exactly is piston slap anyway.
Thanks Brent
Thanks Brent