Originally Posted by RodneyPierce

Inferno, I dont want you to pull it apart just for that. The bore and stroke is the same, so I highly doubt that they changed the OD of the sleeve, as that would mean more machine work. I dont run the offroad stuff, but run nothing but GO engines in my boats. I machine my own head buttons and water jackers, and raise the port timing, and induction timing myself. So always looking for a better (read cheaper) way to go. Looks like these P/S along with the JS P/S will work in the GO case. Very cool to see more based on the same platform though (im sure they have there own timing changes, etc) but its a great series of engines!!!