the ws6store.com sells a crossmember so u can put a th-350 into your comaro with no problem and it bolts right in.
In my opinion i would put a VFN fiberglass dash in and custom make the guages its goin to take a little more time and money but youll be able to get rid or your pcm and put wat ever guages you want in. A low profile distributer should fit under there.
drivetrain:383 all forged stroker, lt4 hot cam, afr heads with stage 2 porting, 58 mm tb, rpm gap intake manifold, and full bolt ons. hughs 4l60e, and strange 12 bolt with 4.11 gears
Suspension: bilstien shocks and struts, eiback pro springs, hotchkis swaybars and upper tower brace.