I appreciate everyone’s post, I think I found some of my problem in the dial indicator defecting a small amount. The Cummins fixture I’m using has a strong spring on the injector side to take all the slop out of everything and that was causing some defection error. After correcting I got the...
I’ve been working on my sons dump truck engine which is a Cummins 855 NT400 Big Cam trying to set the injector timing. This is an FI code and believe the timing should be set at .069 fast .070” nominal, .072 fast. The problem I’m having is in the accuracy of setting this number, I’m using the...