Spring Pressures. Solid roller lifter on a hyd roller cam.

512Stroker said

In my case the bastards bleed off and rattle.
Oil pressure is 28 -30 psi at hot idle, 60 psi cruzn speed

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Mine too...Oil pressure is about the same too. 30@hot idle (900 rpm) in gear and right up to 60 just off idle...maybe 1500 r's and 70 at cruise. Edit: It's gonna be a few weeks before I dig into it...gotta put a new beefy 727 in first. I'll post my results when I get into it.