Toyota CT20B - even the CT26 would do that quite nicely, and the turbine is sized for a 2.0L so it should spool perfectly :smile: (assuming you mean 500hp between the two of them)
I found this info in my travels, it covers Mitsi and garrett Turbos but has some usefull info on various Garrett trims etc it may be of use maybe a couple of 2l units would be good. the injector/ fuel calculator in the air-fuel -flow section could be used for the 1 uz