Solved. New fuel pump, hard start.

[Fless]

@77mercury77
6 ton floor jacks on the axle tubes was plenty to get the gas tank out on my GMT800:

 

[petethepug]

Yes, this. You’ll want the height of the jack stands as well as the stability. The wheel ramps are safer but don’t give the height you want to make it easier.

AWD trucks roll no mater what gear they’re in. Chock the hell out of both front wheels.