Whats up yall, I just inherited a 1988 f450 7.3 idi from my father-in-law. I am not new to the idi engines, I also own a 1985 f350 6.9 idi. The issue with the f450 is getting it to crank. It has not sat for all that long, maybe within the last 6 months, so I’m pretty sure its not gummed up. I...