Thread: Oil Brands and Detailed Specs
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Old 07-04-2013, 09:33 PM   #6
strych9
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Drives: Subaru, HD Road Glide Special
Join Date: Apr 2012
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Quote:
Originally Posted by Cat988h View Post
I don't think PU is dexos approved, if they even matters!
It does matter to GM, but I personally voided my warranty with a tune. Better oil is better oil.

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