Hot Rod Forum banner

engine break in

  1. Question about using diesel oil for new engine break in?

    Engine
    Just had a sbc 350 built, .030 over, 880 block from 1989, VORTEC 906 heads, Comp cams roller cam and sealed power roller lifters, RPM air gap manifold, etc. Using Driven BR 15W-50 break in oil for priming and initial runs... Question: Due to the additional detergents in diesel oil, I was...
Top