Originally Posted by Fixxxer22

I was told by my machinist and my spec and build sheet man Bob Madera to break in on Joe Gibbs and run Bradd Penn all the way. Used to run VR-1. and have heard from one very respected engine builder to just run oil i.e. castrol, valvoline, bradd penn. no full synthetics. all i know is that his engines have been dummy proof and pushing that boat for 3 years now. Bet the bulk of you guys know who he is...