I have a non-intercooled 91 D250 5 spd. I have a 16 cm housing on a stock turbo, have tweaked the pump a little, added a K&N filter and a 4 inch exhaust. I dynoed at 165 rwhp, but that was before the big exhaust and any of the pump tweaks. I need to get to a dyno to see where I'm at now.
Also...