Quote:
Originally Posted by anthonyj9h
i agree on the heat extractor and the ones on the zl1 are naaaaaaawce....and yes there is alot of piston skirt slap noise when you take everything off and to an untrained ear ppl can mistake this for alot of things so i think in order to avoid unnessary visits to the dealer...so gm took the quiet side of things
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Yeah, I hear ya. I'm surprised you can hear it out of the manifold.. I never heard it, more over the covers and heads.
I don't think I have so much slap as just 'clicky' arms and lifters (even for an LS1). Nothing big. Hence why I want to cover them up and put some sound deadening padding on the backside to cover up the major clicks. If I have to pull the interior I may also dynomat the car (except for around the trunk pan so I can hear the note under load
).
It's not that expensive, right?