OK, that's the plan, then! I'll have them do a dyno pull pre-mods as a baseline (and log it just for grins.) Then I'll log a final pull before we pull it out of the bay. Then I'll AutoVE in 2-hour blocks on the 12-hour drive home.
For what it's worth, I'm having the work done by Precision Motorsports of Florida (PM-FL), near Tampa.
My thanks to all of you!