:TWIN TURBO CONVERSION, WITH A MANUAL, ASH SPEC ECM UPGRADE, (6) NEW 370 CC INJECTORS. TWIN TURBO ENGINE IS ORIGINAL JDM RIGHT, HAND DRIVE AUTOMATIC. I'VE CHECKED FOR INTAK LEAKS NONE FOUND, CHECKED MANUAL BOOST CONTROL ITS FINE. DELETED BOOST CONTROLLER CAR STILL WON'T BOOST PAST 11PSI. ANY IDEAS WOULD BE GREATLY APPRECIATED. I ALSO HEARD THAT JDM AUTOMATIC ENGINES HAVE SMALLER TURBOS, DONT KNOW HOW TRU THIS IS? Could be a bad knock sensor limiting boost. Check for ECU code 34.