Modern Drivetrain Swap

I've seen a few people do the interior swap as well, but not sure I've seen it in an A body before. I think it was a B body Road Runner or something that someone swapped a full dash and seats and stuff in. I think he basically took the LX unibody and cut the factory shell off and replaced it with the classic body as you mentioned.

And while I slightly agree that the LS can be cheaper, the Hemi costs have come down quite a bit in just the few years since I did my swap. I was just getting around to it when the parts were getting more available and everything was pretty much bolt-in. There are some more options out there now and you can do it affordably depending on what your end goals are. Suspension and handling is what's really going to kill you on cost, the engine doesn't have to. I had a full running driving swap for around $5k, and that included the engine, some slight machine work, and headers. Use factory manifolds and that's $700 off already. With more Hemis in the yards now you can probably even get a better deal on engines too (mine dropped an intake valve seat and needed a sleeve, piston, and new head and also came with no wiring or computer). I've seen people get full turn key junkyard pulls for $1500. Add in conversion mounts and whatever transmission adaptation you might want (flexplate or flywheel) and you can probably be driving a swap for $2500 or less.