Originally Posted By Cab_Burge
You can easily tell if the piston top is above the block deck by using anything with a straight edge to slide across the deck to the piston top, if it slides over the piston the piston is NOT sticking up above the block deck shruggy If it won't slide over the piston top the piston is above the deck scope


This ^^^. You don't need a dial indicator to tell if it's positive deck height. To tell how much, yes.