I bought this shee had the top end rebuild 150 comp with 19 domes, i decide to take it apart and get rid of the namura pistons to previous bad experience , so i went with wiseco and new 17 domes new gasket new o-rings, removed cylinders evrything clean perfect , so,now i check comp and its at 150 again , i haven't started yet , both cylinders perfect exactly the same , any suggestions what can be wrong , thanks