Performance mixed with fuel economy!?

you can get both with a Gen 3 hemi. Sorry to burst the LA bubbles but the Gen 3 is so far advanced over the LA/Magnum it is a no brainer if you want both. If your set on using the 360, getting it to E58 specs would give you a reliable mill. ie. 340 cam, 340 spec intake, dual exhaust. Plenty of 360 power on this board.