[CHICKS]

Originally Posted by 9FF

The guy is wrong, racing oil has low or no detergents, street cars NEED detergents.

Should be ok in the short term but change it out to regular (non-racing) oil at your next change.

The color has no significance, my Brad Penn semi-synthetic is green.

Originally Posted by 9FF

Yes there is a street version vr-1 and a racing version vr-1. The racing not only has low detergents but doesn't have anti-corrosion additives.

The reason your oil is dirty is because the dirt is being held in suspension in the oil rather than being cleaned by the detergents.

From the valvoline site: Valvoline.com > Products > Motor Oil > Racing Motor Oil > Valvoline® Specialty Racing Oil ("Not Street Legal")

This ^.