Did you ACTUALLY measure your compression ratio? Did you do a .500 down fill, cc the heads and do the math? If not, you don't know what your CR is.
"I hate to be the prick, but There ain't a swinging Richard in the piston industry that calls a FLAT TOP piston a pop up. No F'ing way. "
guess again-when I ordered my custom J E flattop pistons that had a +.050" above deck height they charged me the extra $8 each calling them dome pistons!