2003 HUMMER H2 ENGINE OIL

  • Tiny
  • luda81
  • 2003 Hummer H2

Engine Performance problem
2003 Hummer H2 V8 Four Wheel Drive Manual 75000 miles

My truck has 75000 miles and I have been using regular oil. Is it too late to switch to synthetic oil?

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Saturday, July 31st, 2010 AT 1:30 PM

1 Reply

  • Tiny
  • Dr Loot
  • Expert
  • 2,332 posts

No!

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Sunday, October 24th, 2010 AT 6:22 PM

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