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Technically it's the same but because of tolerances in stud location the lash changes on some of the valves when you tighten the locking bolts on the stud girdle.

What I do is a rough lash adjustment without the girdle installed or left completely loose. Then with the girdle installed and completely tightened I check the lash at each valve. Some will change at this point either looser or tighter.

Then you have to loosen up the girdle one stud at a time on the ones that are off to make the adjustment. Tighten and re-check lash.

Also when you install the girdle make sure it doesn't sit so low that it contacts the top of the rocker at any point during the cycle.
 

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