doing valve to piston clearance checks last night, I am gathering solid lifters today and longer pushrods to properly check, my hyd were compressing, I think I need at least 100tho valve to piston clearance how about piston to head clearance. I seem to be in th 60 thou range is that enough - 502 cast iron heads
Randy

should be plenty, are checking with no gasket ? thats another 35-40

thats with used gasket, I am going to check again tonight with no gasket