torque head specification for gmc 2002 5.7 3500 and push out rod

head bolt torque first pass 26, 2nd 44 3rd 66 all ft lbs.valve lash is 1turn down from O

Thanks but in very confused on what do you mean when you said 1 turn down from zero of uu can please explain that in a better way I would much apreciate it thanks jv

you have to take all the play out of the pushrodd but stil able to spin it. then go one turn down to tighten