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From a Cummins POV, there is no other timing adjustment other than pinning the engine at tdc, pinning the pump and stabbing it. Any other "mod", anything other than the pump internal timing as per Bosch/Cummins spec and the pinning of the engine is all that is published. Nothing to change timing...

That procedure is spill port timing. That is used only to ts a performance issue...white black smoke, low power. I can tell you in almost 30 years, it has never had to be used, in my shops atleast, it is a grasping at straws thing. You just need to verify your pressures, If they are there, the...

A stoopid question, did you try stepping on the gas while cranking? Shouldn't need to, but if the delivery valve rod and stop magnet have joblocked, this could also be a possibility. Joblocking is when two flat, smooth surfaces get stuck together by a liquid....like cold, thick oil. It is a...

I forget what gov these have on them. If you want to see if the pump is turning, there is a cap on the side of the gov housing that contains the timing pin. Take the plug and pin out and crank it while looking in the hole with a mirror. It is the plug that you time the pump to engine with IF it...

could be a failed overflow valve. can you remove the return line from the pump to see if fuel is just flowing out and back to the tank? It should normally be under 20-30 psi and spray out of the fitting.