Need help perfecting the budget build hemi swap

Well I'm going to correct a word of advice that I see posted up here a lot " UNIT BODY CONNECTORS" Every time somebody asks, what to do, to stop twisting ?, another person answers unit body connectors. Having them with the torque boxes, ties them into the rockers a bit. ( I guess ) So that should help, but the frame can still be twisted fairly easily. I would imagine to stop the twist, you really have to attempt a feat of engineering that rivals a full out race chassis. Some cars are just better than others.
I can see on my frame where a jack has been place, at some point in it's history, and the frame has bulged a bit. On other cars I've had, I've done the same without that happening. The strange thing is this frame seems less rusted than any car I've ever had. The only really bad spot is the place where the rear shackle mounts bolts up, and the where the bumper attaches. My thoughts were that with the 4 link, those places are not really bearing the weight as much anymore, and that would buy me time to fix those parts at my leisure When I get the car onto a frame table, I'll no more, but I may just attempt some kind of engineering stunt. I haven't bothered, because I didn't want to impose on anybody, and basic was all I wanted out of this car. But I do like things that make strangers react, by saying, " Look what was done there!" I think I'm being forced more, and more toward - Pro Touring Race car, inspired street machine. The steering maybe slower, and the brakes smaller, but it'll still be a bit beefy for a street ride.