Quote:
Originally Posted by Alan Nyhus
Hi Phil.
In a way, a hydraulic cam switched to solids actually loses lift when checked the NHRA way. Since the NHRA checking clearance is .000 (zero), a solid cam loses the lift from the lash when it's running.
A hydraulic lifter is theoretically always at .000 (zero) when it's running.
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Good Morning Al.
I understand that. Why the rule change then? Higher RPM capability?