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Over-spec clearance is exactly what I am suggesting, to reduce reversion.
From our earlier conversations,
"Feeling for actual tappet clearance on the intake rocker arms, the cam lobe closing ramps seemed to trail off extremely far.
I opened all 4 intake valve tappets .004" OVER-Specs to allow the bloody intake valves to actually Close completely, more normally.
Worked perfect & no excess tick."
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