Quote:
Originally Posted by Michael Compton
I was using the XP1 (5w20) all year and had the end result of oil related issues. I know it leaves black stuff in the pan and have seen the wax/paraffin suspended in the bottle. Once you shake it up, it breaks up and goes away.
Anyone tried running Mobil 1 5w20? I assume there would be nothing wrong with running it.
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Stay away from this oil. This picture is from our back up superstock motor a few years ago when we pulled the pan after using the Gibbs XP1 5-20. Had the filter plug up twice on the stocker resulting in no oil pressure. We use either the Valvoline race oil or the Maxima race oils.
