im 99% sure surpa turbos are the same exact size. The second turbo is fed by the first one, but only after a valve is opened up when the computer senses the demand for it.Timbo said:The reason most high-power Supras switch to a single turbo is because they are sequential twins in stock form (a smaller turbo spools first, then a larger one). The smaller turbo becomes an air restriction when you push out that much power. On a TT SyTy, I would think you'd be running parallel turbos (on for each cylinder bank), both the same size. You wouldn't run into the issues that the Supras have, since each turbo operates on its own, instead of one spooling the other.
16Sy16 said:Tune your $#it. With that truck, you should be running mid to low 13's up here. What does your truck weight with all of the $#it out of the engine bay?
TYTILIDIE said:I havent weighed in since summer of 04. At the time the only things I had removed was the Cruise Control and some odds and ends left out during my first build. I weighed 4070 with me in it. I know one thing that holds me back is my ridiculous IATS. At the end of a run I am seeing 140-150*. Ive had two people leave thier trucks with me to do some repairs and was given permission to do runs on thier trucks. They had 100-120* tops at the end of the runs. I dont knwo what the hell Im doing wrong there but it is annoying. Last run I did I was also pretty rich.....1040mv. Im suspicious that I may have a bad injector. #6 Spark plug always looks different than the rest. I also plan on doing a 1/4 turn with my lash this time instead of 1/2 turn to see if that helps with my knock problem. We'll see I guess.
I stand corrected. Two turbos in sequence are still considered to be unneccesary complexity when dealing with heavily modded Supras though.Captain Morgan said:im 99% sure surpa turbos are the same exact size. The second turbo is fed by the first one, but only after a valve is opened up when the computer senses the demand for it.
its not the same type of setups that most of us think of when it comes to sequential turbos :tup: