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GMC Vandura
GMC ... 11/12/2012
1992 GMC G3500 Vandura 6 Cyl 4.3L - Engine
Whats the best engine oil for my van???
It has 194,000 miles on it but, runs like a clock.
1 Answer
  • Jimm
    Jimm 11/13/2012
    The best engine oil is the type and viscosity as receommended by the owners and maintenance manual for your vehicle. Typically, you should use a quality 5w20 or 5w30 oil.

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