35 is close to impossible.. Someone I know has an MKIV supra with an engine that is close to bullet proof.. He's running on 2 HKS ball bearing turbos (gt2835/twins).. At the moment the max feasible boost limit is 28 psi (@ which he makes 700+ rwhp using 104 octane race gas, on a warm summer day..) The turbos can go as high as 35psi, but things will start to go wrong.. Like a failing cylinder walls .. Hell as it is the drive shaft is having a hard enough time..
