I want a motor that will be as bulletproof as a 22re, but with at least double the power. The ability to run without oil for 3 hours is a plus

Seriously though, what motors should I be looking at? I want something simple, reliable, and moderately powerful(200+hp). I'm thinking 4.3 or 3.8SC in the GM stable, or maybe a 2/3rz in the toyota stable. I don't do Ford's, so we can skip that. The only other motor that comes to mind is the Jeep 4.0. The 4.0 is almost perfect except it's so damn long.
How are the GM motors on oiling? Can they handle the abuse that a 22re can? I know the 22re's are legendary, but something has to come close.
Thoughts?