Thread: wax in my oil?
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Old 08-31-2005, 10:42 PM
Moneypit SEL's Avatar
Moneypit SEL Moneypit SEL is offline
Now what?
  
Join Date: Jun 2005
Location: SE PA
Posts: 525
No. Pennsylvania-grade crude oil is parifin-based, but Penzoil and Quaker State no longer use Pa crude. Not that Pa crude was any better or worse than asphalt-based crude. Both will gunk up a motor if not changed regularly.
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