clevo wrote:Gents just need to know which oil you have found the best with high spring pressure on solid flat tappet cams, cam is comp and has been plasma nitrited and lifters are Ferrea Lightweight Pro Solid lifters tool steel. pressures are 175lb on seat & 425lb on the nose.We are still running the Joe Gibbs BR-30 some have suggested to still run the same oil to race with.
lorax wrote:If I lived in Australia, Penrite 10 Tenths would be at the top of my list.
Meehan Race Engines wrote: Flat tappet wise you cannot go past using Gibbs, they are a Nascar team and they do have to work with flat tappets.
1972ho wrote:Gary do you happen to know what oil company is refining the Gibbs oil, Because I don't think they own there own refinery(I could be wrong)just curious.
CamKing wrote:Meehan Race Engines wrote: Flat tappet wise you cannot go past using Gibbs, they are a Nascar team and they do have to work with flat tappets.
NASCAR hasn't ran cast iron flat tappet cams and iron tappets for over 20 years.
The Powdered metal cams and DLC coated tool steel lifters have little in common with what most racers know as a flat tappet cam.