having gone through a few cheap units and failing, the way to go is a double ball bearing unit now.
the engine is forged and cam'd, plenty of fuel supply and clutch is well specified.
so i'm looking for a 400bhp turbo with minimal lag, but a little more headroom for pub talk figures is preferrable so it's not on the limit.
off what i know and that is little, a GT3071 would be the right area, what housing as i've been running 0.63 ones for the past year.
basically tell me what i need as i'm just at the end of my tether now with this.

cheers
sean