I have a 2006 ck20 that I bought not running. I am a fairly decent mechanic but I am stumped. The guy I bought it from said it had been setting up because of a problem. He said the “cam” for the injector pump had been replaced and it was not “timed” correctly. I motored it over after putting new diesel in it. i bled each of the injector lines from the pump to the injectors until I was getting “squirts” of diesel from each one then tightened them down. I expected it to try to run, but got nothing. Compression is good on all 3 cylinders. I tried looking up how to time the injector pump with the position of the gears and the flywheel but couldn’t find anything on line. Any help would be appreciated..