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Basically what he said....you want to do one cylinder at a time (18436572) with the cam lobes at their lowest point. I personally just adjust to zero lash and that's it. No 1/4 turn or 1/2 turn.....I just make sure my lifters are pumped up good by soaking them in oil, take an old pushrod (with all the lifters submerged in a coffee can) put the pushrod where it should be and then tap it a few times with a rubber mallet. Then once they're in I just spin and jiggle the pushrod as I slowly tighten the rocker nuts until there is no up/down jiggle but I can still spin the pushrod. BUT that's just me......*Also if you happen to be using "Polylocks" you need to make sure the set screws and rocker studs are oil free (and some use blue loctite) or else they'll back right back off.