I'll tell you what I did do when I was young and stupid. I think I was 19. I was working for a guy that had a medium/heavy duty truck repair business. I was pulling the engine out of a Ford F350 dually UHaul cube truck. Probably about the same year as my F250....about a 75. I was between the engine hoist and the front end of the truck. First dumbass mistake. I neglected to chock the wheels. Second dumbass mistake. The truck was in front of the shop bay which was concrete, but sloped gently into the parking lot. AS SOON AS I got the engine broken free of the manual transmission, the truck started rolling backaward, dragging the engine hoist closer and closer to the front of the truck, with ME in between. Robert, the guy working with me ran around and jammed on the brake pedal to stop the truck.....and I DID apply the parking brake.....they simply "DON'T HOLD" well going backwards. I couldda been a Rob sammich that day. To this day, you won't see me do "much" to one AT ALL without chocking the wheels.
