i have a 9:1 cp 81mm w/eagle rods and benson sleeves(lsvtec). my tuner said that the cp piston have weak ringland, but i notice a lot of people here run cp turbo piston with 400hp+.i have no problem with mine so far. building another block(gsr). just wondering what brand piston? mm size? and compression size?? should i go with. was planning 83mm and 9:5 ?? will be running with a gsr head also.