Well i will start by doing just this , but question? Is there a standard amount I can cut from pistons first before I install a piston at both ends of block to check for block decking dimension? say .100 off piston? what is the average? again these are regular trw 8.01 with a .300 dish. also i have milled the head .060, can i go back and mill some more? what about bigger valves? i want to do all this work now as i am building this for a boat and once i put her together thats it.. dave also have a chance to buy a 194 head, would this be a good way to go?