I actually talked about that in the first paragraph of the original post. The gtx turbos don't really come alive below 20psi (they are actually restrictive at lower boosts) and the other gt28r turbos were comparable to the t518z the kit originally came with. I wanted a turbo that could flow a good amount at 15-16psi with room to grow later.
Quote:
Originally Posted by kcam86
Just curious why didn't you go with the gtx28?
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