I have a Cummins 1987 Cummins 4BT-100 with a bad turbo. Does anyone know if the the turbos are the same for all 4BTs? Thanks Adam.
Hi, Welcome to YF. Look Here: http://www.sbmar.com/ These guys are Cummins dealers out West but do supply and service nationwide. There is a member here on YF - SBMAR who is heavily involved there and contributes a lot at Boat Diesel.com. I have read a lot of the stuff on their site they seem to do some good work and give straight forward answers.