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Re: Rocker arm adjustment procedure
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Originally Posted by coupe
Basically, make sure the pushrod is on the base-circle of the cam...not the lobe.
When the pushrod is about to push in the lifter spring (or when you cannot turn pushrod by hand anymore), you're at zero-preload on the lifter...stop and give about 1/2 turn more (or around .020"). Tighten the lock-nut & then put a little-more snug on the rocker nut again...This assures the locknut is in tension on the stud...will not back off.
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Actually it's not "when you can't turn the pushrod by hand anymore" that is too tight. You tighten it up until the pushrod starts to give resistance to spinning...if it stops completely and you can't sping it then it's too tight. Then it's 3/4 turn past Zero preload 
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Drifting is to road racing as figure skating is to hockey.
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