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The several i've built was using 15-40w Rotella. No problems

October 12 2017 at 6:46 PM
Leland  (Login lhstanford)

Response to I use Cam Research's break-in service

I assemble the engines using Sealed Power assembly lube on bearings. lifters. cam. 30w oil in cylinders and piston/rings. I've only used flat tappet cams so may be different on others. I'm 71 now, been building my own and occasionally for others since then, but i've never wiped out a cam. The engine in my hotrod pickup was built in 1989. I've always used 15-40 w oil. Still 70psi oil press cold, 40psi at temp.Just recently one of the (PAW engine kit) lifters started clattering. Guess i'll change lifters and carry on. That's my story and i'm stiuckin to it.

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  • .. same as Royce .. straight weight non detergent SAE 30 ... - winr1 on Oct 12, 2017, 11:26 PM