what he really used is a mix match of parts, Dave has been doign this for years and so have many others. The ehxt wheel is a stock TDO-5 wheel and the compresser wheel is a garett wheel. looks to be a T3 family wheel but couls also be from the TE family. It looks like a P trim but I am not sure about that. measurement is unknown. I have one around that is blown maybe one day I will brake it down and measure it =-) but I know it is not a mitsu Wheel. A real 20G is what HRC sells and to be honest to many problems mounting them on DSM's with the stock manf.
From what I know Buschur's set-up is a straight 20g from Mitsu. And is one of the few true mitsu 20g's available from DSM vendors. It is ported and clipped 10 degrees.
The turbos that mix and match Mitsu and Garrett wheels are known as Franks. They are the biggest POS turbo available specifically for DSM's. You couldn't give me one of these to put on my car.
I believe Shepard may have run a 10.7 on a 20g. Not sure what he is running now. He was using Frank 5 last year and I believe he was very unhappy with that turbo. The best he could get out of it was a 10.64 on the bottle. Pretty pitiful considering he was running similar times on a staright 20g.
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