THESE are all farm tested practices:
Yes, the disk has set to the flywheel. TWO Person job
1. IGN OFF:have someone pull you in high gear. once you get going shove in the clutch and the effort to turn the engine should break the clutch loose from the flywheel.
2. Ign off in high gear:rock the truck back and forth while someone holds the clutch down.
3, More dangerous method, start in neutral, hold break and clutch down and grab high. Engine may die a couple of times. mike