I've only seen two other GMT400's done on the forums, but from what I recall the only way the engine will clear the firewall is with body lift kits, otherwise there's gonna be a lot of hacking into the firewall.
Quite a few gasoline engines to choose from like an LS2 (400HP 400TQ) that make you put a decent transmission behind em and deliver good power and MPG. Slap a turbo or SC on a gas engine for the same complexity.
Diesel's TCO is high esp. with the higher fuel price at the pump here.
Well I guess I'll start this thread off with my adventure:D. Progress has been slow as I have too many irons in the fire, but this is where I'm at now. I have my SUBURBAN with the engine, trans, and transfer case pulled out. I also got my 01 donor's powertrain pulled out. Here's my donor after...