I had 1 of those. I stayed to the factory jets. The problem with that sled is it may over heat and bog with no power. To fix it I pulled out the thermostat and cut the guts out of it and put the remainder back in ( the spring and moving parts ). Disconnected the tors ( plug the wires in to each other on the harness to complete the curcit). Mine ran great after that. Hope this helps.