http://www.valvolinevr1racingoil.com/

From what I've read, the removal of high levels of Zinc in most automotive oils was due to a negative reaction with catalytic converters. Would this be worthwhile to try out in a street car without a cat?


edit:
What I've read regarding the decrease in oil protection since removing some compounds:
http://blog.eastwood.com/tech-corner/zddp/

 

Racing means not meant for passenger car use length so if you wanted to change it extremely frequently you can use it.

They're mainly for flat-tappet engines so if you don't have one, don't worry about it.

If you do: http://www.amsoil.com/storefront/zrt.aspx since it meets API SM specs.

 

We run the conventional vr1 20w50 in all of our track cars, for a street car its recommend to change this oil every 1k miles if you run it.

Forced performance recommends this oil or Brad penn in all of their turbos. They say the brad penn can be changed every 3k.

 

Thanks for the info.

 

BAH...it's synthetic