There are shims below each injector pump that are specific to that engine and pump. These determine the timing. If you remove the injector pump they have to go back into the same cylinder with the same shim that was in there. If you put a new pump in you have to get a new shim that is specific to that cylinder of that motor to that pump.
How to set timing on this engine
There are shims below each injector pump that are specific to that engine and pump. These determine the timing. If you remove the injector pump they have to go back into the same cylinder with the same shim that was in there. If you put a new pump in you have to get a new shim that is specific to that cylinder of that motor to that pump.