EFI Bung in head update

BillGrissom said
Too bad one can't install a 2.5L in an A-body that I know of

There is a longitudinal version of the 2.5.

Checkout the video of an $800 Mopar minivan stomping a high-dollar Z28, 12.65 sec 1/4 mi.

Imagine the humiliation!

Imagine what it could do in a light Dart, and with 2 cyl added back, since I understand the 2.5 L block was based on the slant

Nope. No commonality at all, except for some of the same engineers working on both engines.