My co-worker who does LS swaps said he thinks it would be far more troubkesome than it's worth, but the LS computer is easy to adjust for boost. You could always swap over to a 4l60e trans to have the computer control it easier. Another thing to look at is mounting points for sensors you may or may not have thought about. IE knock sensor, IAT, IAC,TPS, MAF.....Etc. these are all vital to the GM fuel injection system. Some of which are not factory on a magnum
