Zippy's rotation test is a must or you are eolling the dice. BUT, if you find a lifter not rotating, put some 500 grit sandpaper in your palm, push the offending lifter base against it and rotate till the shine is gone. Clean, retest. Never lost one yet. This tip came from an engine builder that also raced top alcohol for decades.
Oh yea I always make sure my lifters rotate. Good advice from Zippy. Ron
