WOW, that sounds pretty odd really !
...Just backing out, gently??
If you don't SEE anything else sounds like the T- bar is a really good guess !!
Check your damper (shock absorber) mounts too, but I wouldn't thing the car would necessarily fall close to the floor for that.
The T-bar job can be a bit of a bear, especially if your spring plate covers don't want to come off. I've got an older 1970 911 and got it done without too much problem though.
You have to pull off the deco trim on the side first, remove the small cover plate on the car's body, THEN get to work on removeing the spring plate...
That's the easy part. I think part of you problem is going to be that with a BROKEN torsion bar, you are (probably) going to have to pull the opposite torsion bar out as well so that you can stick a dowell rod through and push out the inner broken part. You probably ought to replace your T-bars as a pair anyway to make sure that they act the same side-to-side and you don't force a break on the opposite side.
The hard part, if you've never done it before and don't have a "gig" (whatever the hell that is) is actually getting them indexed correctly and evenly when you put them back in.
I would also STRONGLY recommend replacing the spring plate bushings "while you're in there" (GOD I HATE THAT PHRASE NOW) too. I just put Neatrix on mine this spring and LOVE them !! The indexing is just such a pain that if your bushings are worn I'd replace them now so you don't have to pull every thing back off soon and go through it again.
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Richard W.
Red '70 E, 2.2
White (w/ Red & Blue), '82SC, "Frankenstein" -a bit tweeked
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