V6 car would be excellent candidate as well as stolen recovered and fresh water flood. Body and paint work is incredibly expensive and a regular car guy cannot get pro results. Taking a Mint newer challenger the paint and body is done. The rest of the stuff- replacing new tech with old, fabbing mounts oil pan and exh etc can be done by handi car guy. Wont be cheap but will be cheaper than doing a classic. Using alum heads and WP housing sheds a lot of weight from the classic 440. And again any collision shop can tend to body repair and oem body part pipeline exists. Why is it OK to put modern Skinny jean, man bun, latte sipping save the world by posting from their iphone oversize wheels on an old classic but not ok to put old iron in modern car?