First drive after brake upgrade, then - BANG!

I posted this yesterday ... The torsion bar is fine, boxes are fine. Nothing is broken (like I mentioned in the original post (also why I didn't post any photos)). I assume the motor jumped out of the motor mount, then slammed back in - BANG.

Checked the height on the LCA-s they were off - car was leaning but, not now. Runs a LOT better now that the engine is bolted down properly - as is, I hope - everything else.

I had read in here that it's possible that a torsion bar can "turn" inside the box if it's rusty - that's why I had asked if I had to remove the torsion bar to put it back in place.

I've been turning wrenches since I was 15 y/o but as I also stated - I'm new to torsion bars.
Good! Glad to read this. You'll want to clean everything up REALLY good and inspect everything for cracks and breaks. Torsion bars have a lot of tension on them and when that tension lets go quickly, bad things can happen, so make SURE to inspect it VERY closely. Look at the female hexes where both torsion bar ends install and look closely at all of the welds around the torsion bar hex and at all of the welds around the lower control arm pins. These are two very high stress areas you'll want to make sure have no breaks or cracks.