Quote:
Originally Posted by sperry
My opinion is that a TD05-20g is the ideal sized turbo for a street driven STi. No need for the lag of a TD06 to gain top-end you'll never use on the street.
I ran one on my hybrid motor WRX in the past, and MikeK's got one on his STi now.
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I've driven Mike's car. I guess if all you care about is spool or you are autocrossing then go TD05. The last TD06/20g/8cm I tuned hit 20psi by about 3.5k at 5000' elevation and held it out to redline. Like any bigger turbo, you have to adjust your driving to take advantage of the powerband.