The Olds diesel was bad All they did was put on an injection pump and diesel heads and it came apart The 6.2 was a good engine had one in my Chevy van for years. The only issue was it would snap the air conditioner bracket is was the same as the gas engine oneand could not take
the vibration One made up from 1/4 steel plate solved it , Had for 10 years great milage , only thing
I had to replace was2 glow plugs and the control relay martin