Stormin Mormon wrote:

I hear that. Makes me wonder if I need a different approach.
Since I don't have the space to house a 60 gal tank, maybe
on the next job like this I oughta invest in a corded drill,
and socket adaptor. Break the bolts loose with a hand
wrench, and use the corded drill to turn the bolts the rest
of the way.

A cordless impact driver (Makita or other good one) with socket adapters
works very well on remarkably large stuff.