the motor is back at the machine shop and they are trying o determine why there was a bottomend knock when the engine was revved up... I plan to call them on monday ...I'm in the process of selling my 555 injectors / ecu program / and hks afr ...going to get the border 850cc injectors and z1 ecu chip .... I figure that I have the time since the winter is here...I'll keep all posted ..