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Originally Posted by rsb427
better listen to builder! synthetics get lots of praise but not long ago people found out that some oils are good for newer engines but not older ones like flat tappett cams. new oils lack the zinc needed in those high friction areas unlike newer motors which have roller cams and different metals so take oil seriously I had friends lose a flat tappett cam in less than 1,000 miles to find out they didnt use correct oil, I use dello 400 diesel oil myself in my solid lift 390 ford lots of drag racers use it to. good luck hope this sheds some light! |
You make alot of sense & I am probably gonna stay with the Castrol. I think I will feel better that way. This is always a hot & crazy topic & I've seen so many different opinions on the other 3 forums I belong to for my vehicles. It can really get your head spinning!
Thanks for the input!!
