Oil for engine knock or piston slap?

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EP

Joined
Sep 2, 2002
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11
Location
oregon
I am sure this is not the best idea. Has anyone ever tried using a good 30 wt. oil for piston slap or knock? If so how did it go? Dino, blend, or synthetic.
 

TAL

Joined
Nov 17, 2002
Messages
18
Location
Mokena, IL
I have piston slap in my 00 Chevy Malibu LS with Amsoil 0W-30 oil. Car has 42k now and doesn't use a drop of oil. From what I have heard piston slap is more of an annoyance than harmful. It goes away after a minute or so. At least that's my definition of piston slap. Please correct me if I'm wrong.
 
Joined
May 27, 2002
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Location
Saratoga, NY
There has been discussion about this before, Try doing a search on the words "piston slap." I've found Red Line Oil (even their 5W30) works well in dulling this terribly annoying noise. --- Bror Jace
 
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