1974 d7 throttle question

Machine has been sitting for a couple of years. Had injector pump rebuilt by cat dealer. Installed by local mechanic. Once installed is smoked and had no power. Ran 2 hrs or so and called the mechanic back to no avail.
Called another mechanic who said the timing was off. He reset the timing and it sounded much better with a responsive throttle and a lot less smoke. We let it idol for 5 minutes and went to shut it off but it would not shut off. Turned idol adjust screw out to make sure arm...

1974 d7 throttle question

1974 d7 throttle question