Quote:
Originally Posted by 65-72 chevytoys
Ok assuming I have the right TDC on the compression stroke. I tightend each rocker nut until I felt drag on the pushrod then tightend another half a turn. I am thinking this is what mark is talking about. However Billa once I tightend the extra half turn I could not turn the pushrod anymore. Should I loosen it up again so the pushrod turns? Then when I rotated the engine 360 to finish the rest of the valves the pushrods on #1 cylinder can turn again. Now I am confused?
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You're doing everything right 
You shouldn't be able to turn the pushrod once you've established the preload with the 1/2 turn.
What you're doing here is pushing against the spring inside the hydraulic lifter.