Outer Limits 4x4 Board

I have done my research and havent come up any good so i thought i would just through a post up. Have a TD42 with one of our own 12mm pumps. Im looking at upgrading my turbo. I have a three that im choosing between but i would like some advice from people who have had these turbos or have. So im resetting up my pump with 70cc no boost and 150cc at 30psi. Maybe a little smokey off the mark but i dont mind. Im building a flowed exhaust manifold and big intake manifold with a front mount cooler. So the turbos im tossing up between is the GTX3071, GTX3076 and a GTX 3582. I think the 3582 will be too big. But if someone has run one on a TD42 how did it proform. I have been told im making a crack snapper but thats why i got 2 TDs sitting down on a crate at work. All these turbos will have the .64 exhuast housing as the .82 will be too big from what i have been told.

Cheers in advance.