Marvel Mystery Oil

GMC
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YBCOOL34
  • MEMBER
  • 1 POST
[/b] :D Hi! I wanted to ask - Would it be okay to use Marvel Mystery Oil along with 5W-30 Mobil 1 Extended Performance Oil (Fully Synthetic) in my Dad's '98 Silverado without causing any harm?
Apr 13, 2006 at 1:22 PM
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LOSONE
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 1,616 POSTS
Marvel Mystery Oil was used in the day of leaded fuel and carburators to help remove soem of the generated contaminents. I see no reason because of modern electronics, fuels and oils. It won't hurt but is a waste of money.
Apr 13, 2006 at 5:59 PM
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