I know that German Castrol is but how does Belgian Castrol 5W-40 compare. It is quite pricey compared to the Synpower 5W-40 I'm using (which is a Group III). I'm thinking of trying it though - any thoughts?
All Magnatec oils have esters in them, too.quote:
Originally posted by Quattro Pete:
Other than that, the only other Castrol 5w-40 oil I know is GTX Magnatec, which is group III, AFAIK.