Thats easy . The ISLAC GF-3 EC oils are limited to the 30wts with exception of the Mobil SS 0w-40 and Castrol Syntecs , both the 10w-40 and the 5w-40 that I know of available in the USA . Possibly more though these days .quote:
Originally posted by road_rascal:
Just avoid bottles of oil that have the API 'starburst' energy conserving label on the front.