you can run 8- 10 psi safley with nothing more than 365 sc injectors ans safc on a sc ecu and flap (ive been doing it for year now (with a 75 shot wet nitrous and building a other with stock 9.4-1 compression)
http://www.mr2.com/forums/forced-ind...get-build.html
and if you wont some pics of the last build
donny's mk1 mr2 Photo Album - MySpace Photos