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Old 06-30-09, 10:37 AM
STSS STSS is offline
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Cadillac(s): '01 STS 140K
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Join Date: Apr 2008
Location: Medina, Ohio
Age: 25
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Re: Reg oil or Synthetic oil

If it aint broke, dont fix it!

The engine was designed for dino, so why put in synthetic? At the very least, you're asking for leaks.