Turbo Questions

[djgab101]

i have a question!!!

say i installed a turbo kit into my yaris....... would i be able to have a on/off switch so that i can turn my turbo off when i dont need it so i can save fuel... and not damage my engine or anything like that?????????????

[regal]

Originally Posted by djgab101

i have a question!!!

say i installed a turbo kit into my yaris....... would i be able to have a on/off switch so that i can turn my turbo off when i dont need it so i can save fuel... and not damage my engine or anything like that?????????????

I have heard that at one time there were people doing this with a lever on the wastegate. I think that was 25 years ago and to find such a rig today would be very custom/expensive.

What you want to do is match the turbo size to your engine such that below 3200 rpms or so it doesn't spoolup, properly sized and with good tuning a turbo won't use much gas until you stomp on the accelerator. The issue with the Yaris is that a good tune looks impossible if you want to pass emmissions (OBDII). Even for off-road I don't know if there are standalone ECM that can handle the drive-by wire throttle. I think the Yaris is a few years away from daily driver type turbo set-up. Hopefully some hacker genius will get ahold of a Toyota diagnostics and reverse engineer the stock ECM.