comp cams lifters

IQ52 said

I refuse to put hydraulic lifters in lifter bores that were worn out 20 years ago and then say, "Stupid hydraulic lifters won't work!"

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I my case every lifter bore was measured and were in spec, several were even on the bottom end of the allowable tolerance.
The hydraulic rollers I had were just of poor quality and would bleed off when hot.
I thought I may have to much spring pressure but they are well within Comp's recommendation for the cam/lifter set up.