GMC ... 11/12/2012
1992 GMC G3500 Vandura 6 Cyl 4.3L
Whats the best engine oil for my van???
It has 194,000 miles on it but, runs like a clock.
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.