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break in oil

  1. Engine
    Hello all. Long story short, this is hopefully the last flat tappet cam I will ever have to break-in, as I'm going roller from here on out. The last flat tappet cam i've ever had to break in, was about 6 or 7 years ago, and my dad guided me through it all. Anyway, I'll be doing this all on my...
  2. 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...
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