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I hear ya , just don't understand why this won't work? the rods are shorter than the factory rods, if I used the factory stamped rockers I wouldn't have noticed this. It's only a .528 lift COMP cam.??? using the adj. rockers so the rod doesn't pierce the stamped rocker.

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What is so difficult about doing it the RIGHT way...
on the base of the cam... turn the adjuster in till
the push rod has drag or stops turning... then give
it 1/2 to 3/4 turn... done.. move to the next one..
if your off a 1/4 turn its not gonna kill you

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If your using the solid lifter pushrods from the 273 on a stock type set of hydraulic lifters your fooling with fate, loof to have 1 to no more than 3 full threads of the adjuster exposed under the bottom of the rocker amr with .015 to .045 lifter preload, I like and use 1/4 to 1/3 of a turn after zeroing the liftere clearances out, zero preload plus 1/4 to 1/3 turn in for hydraulic lifter preload