1971 GMC C1500 Engine Oil

1971 GMC C1500
100,000 MILES • V8 • 2WD • MANUAL
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BISHIDA
  • MEMBER
  • 1 POST
Is it ok to put synthetic motor oil in my 71?
Jan 17, 2008 at 12:20 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Let me ask you this -why are you asking? what's wrong with the oil you're using now-sometimes using synthetic is not a very good idea. Prolong engine life!!
Jan 17, 2008 at 3:09 AM
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