boost [Archive] - Toyota MR2 Message Board

boost, boosting, change, dies, bar.gonna, exhaust, 6500rpms.what, wrong?im, 63mm.maybe, power, fair, amount, help.what, 51mm, starts, motor.the, turbo, 4agte, guys.i, bought, toyota, problem, 4500, one.my, bearing, ct20.replaced, t3/t4not, ball, rpms

Hi guys.I bought my car with a 4agte motor.The turbo used to be a toyota ct20.Replaced it with a t3/t4(not a ball bearing one).My problem is it only starts boosting at about 4500 rpms and dies at about 6500rpms.What is wrong?I