Quote:
Originally Posted by JOC IN IL
What oil weight I should use. Should I use 0w-40 Mobil? 15W-40 ? Can I use castrol or penzoil instead of Mobil one? I drive the car leisurely I don't track>
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People have discussed motor oil choices
ad nauseum here and elsewhere online. If you want to hear all the opinions, you're gonna need to use the "Search" feature. You should do this when you have many hours at your disposal. Most people here have drifted away from the Mobil One---apparently the formulation changed a few years back (to something less desirable than previously). As far as weights, generally you can't go too wrong with 10w40 weight. Some in warmer climates I guess will go heavier, perhaps 15w50 or 20w50. I use Castrol 10w40 and it's been fine. I think it's pretty well agreed that regularity of oil changes is more important than what you use.