Quote:
Originally Posted by blykins
You can't measure valve lift at the retainer like that. The lifter is going to compress and you lose probably .100" of lift. I know you have more than .437" of valve lift.....
Yes, that's too much spring pressure for a street hydraulic roller.
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Agree.
List your camshaft specs, and your rocker ratio.
Have you inspected the cam lobes with the suspect lifters out?