I checked mine while in the process of swapping pistons. 4 out of 8 where out of spec. This is at 2500 miles.


'06 SM with T100/America Wheels (D&D's, 10.5 to 1 Wiseco pistons, TTP Igniter +3, K&N PODS, 150 x 40, FZ1 springs & TBS needles w/3 shims)