On Saturday, June 9, 2018 at 5:42:23 AM UTC-6, Auxvache wrote:
...So, I'm trolling for ideas...

Seriously, be VERY careful.
Even with an over-head hoist, incrementally support the top with 2x4s
under top's edge-channel to ground, and keep the trailer attached to a car
(with brakes/park set).

Most likely you're going to have to repeat this;
1rst time to get the old stuff out, 2nd time to install new struts.

Careful!
And don't forget to post pictures ;-)