want to undo lowering of my 1941 deluxe

[The Art Doctor]

Originally Posted by fortyonerag

You can make a fairly simple spring spreader out of some square tube and a length of threaded rod. Google is your friend. I know that shackle removal can be done without a spreader, but it’s far easier if you can relieve spring tension during the job.

That is what I made. Worked fine to pull a spring off an already removed axle/wishbone but I would think your idea of using the car weight and a jack has merit in this circumstance. I'd put a extra large C clamp or some chains around it for piece of mind.