HeavycGS

I know I have read that the gte tranny can handle 400hp. Guess I'm wondering how true is that. I have a Lexus gs300 and last yr swapped the motor and put in aristo twin turbo. So now I worked all the bugs out and time to have some fun. I love stick but just had another kid so have to deal with the auto. Going to add a electronic boost control and change plugs and spark plugs. I have a exhaust system and a intake. So honestly can this tranny do 400 hp. I won't be pushing it to the limit all the time. DD will be at 11 psi and I want to set it at 17 psi when I have the need for a thrill. So what do u guys think

Sabersupra

I keep hearing that they will hold that power, but really don't have any experience with them. I have a stock GS 300 auto that I'd like to rebuild, but Swift Racing said that they are only good for 500-550whp once built. I'm sure that the turbo tranny should be able to withstand what you want. I'm sure it wouldn't hurt to do torque converter and valve body.

perrychad1

also add a trans cooler. i think you will b fine