I think pedestal mount rockers must be shimmed for adjustment.
I've got stud mounted and I set them up with .0015" lash. Some people like to set them at 0.0000.
If you've got roller rockers, there will be a little roller on the end of your rocker that rides on top of the valve. Non roller rockers just have a stamped steel surface that rides on the valve.
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Old Slow GT
New Slow GT--> under construction
Latest Addition: 95 Cobra R, #73, bone stock, ~6100 miles.
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