I'm going with the Banks TT on my NRE 434. Jason Wilcox, the head of the Banks Twin Turbo program, told me that he got 150 phone calls on Monday after the HPTV episode. If you have any questions, you can go here.
Scott Twin Turbo 434 SBC, T56, Baer brakes, HRE wheels, etc... My 69 Camaro Lateral-g.net