...and when a frog jumps, he bumps his butt, unless, of course he were to have wings.
My point is, the question was about lobe lift on hydraulic vs. solid lifter engines.
How does a badly shrouded exhaust valve have anything to do with the OP's topic?
Thank you for sharing, but am I missing something?
Carl


1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission