1992 Buick Roadmaster oil changes

1992 BUICK ROADMASTER
126,000 MILES • V8 • 2WD • AUTOMATIC
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JWMELLOR
  • MEMBER
  • 1 POST
what types of oil ang grades are usedon the rear end limited slip dif. and engine
Nov 3, 2010 at 11:11 AM
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BLUELIGHTNIN6
  • ✓Experienced Mechanic
  • 16,542 POSTS
80W-90 GL-5 gear lubricant + 4 ounces of limited slip additive for the rear end

5w-30 Motor oil for engine
Nov 3, 2010 at 11:39 AM
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