Thread: GM Owners
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Old Fri, January 8th, 2010, 07:03 PM
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Quote:
Originally Posted by 88Racing View Post
6.0L manufactured before 2003 developed piston slap at relatively low miles.
All of the LS series engines did. However, I think that the 3.1L V6 was GM's first introduction of mass-produced piston slap when they redesigned the short-skirt pistons in '96 or so.

I have had the unfortunate pleasure of telling hundreds of worried or irritated customers that "the sound is normal". They didn't care much for that.
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