The car in my sig is tip with a GTRS eliminator. The car had Revo stg 1 then stg 2 and now stg 3. The tranny reacts (shifts) much better with the GTRS especially in "S" mode. It's still not perfect but much better than having a big torque spike at around 2300-2500 rpms with the K03. The TCU on a modified TIP car with a ko3/ko4 doesn't seem to know what to do with the torque coming on so strong and so early in the rpm band, it can't be good fo teh tranny either. WIth the GTRS the torque builds and comes on around 3400-3500 rpms and builds all the way to redline. The way the "S" mode shifts withe GTRS actually feels pretty good especially when you're getting on the throttle, of course, its still not perfect in its shift pattern, but much better than a ko3/04 turbo.
For all the folks with a tip tranny, move up to at least a GTRS and skip the K03/K04 turbos.
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