icanfixall
Official GMM hand model
If you changed an injection pump you are now not timed properly. Actually you have no real idea what the timing is set at no matter where you set the pump. Ever injection pump is internally timed differantly. So get the engine timed. Then if you need to remove the pump use a center punch and make a mark in the pump to housing joint. Then you can get that pump back in time to where it was before you removed it. If you sent that pump to have it rebuilt the above is not going to work. The center punch mark only works if the pump is removed and reinstalled without being rebuilt. The timing on these engines is nothing like a small block chevy...