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I do want ball bearing. 12 revs 1k higher than busa but I was thinking full boost by 6k? Max torq at 7500k. Several turboed 12's but little info as to turbo size and the ones that do are using big ass turbos and making 400+ hp but with motor work. While I give up 100 cc to a busa turbo sizing should be close. When doing the math; long drawn out way useing volumn of air X pressure X hp divided rpm and some other stuff it plots on the lower R of comp map. Right in sweet spot just low. Does that mean turbo will be good for 25lbs, yep, but is it too big for current wants w/o going in motor. Want to stay with pump gas, maybe a little 108 blend for something crazy!!
Ok so I picked up this little turbo yest. Its basically a gt20 with a diff comp side. Garrett put it togther for a sabb 9.3 and 9.5 2 liter engine. It will be rebuilt over the winter for an instal. I used info on 3 diff places to plot on the turbo map I found for it, I got 3 diff answers. No time now, off to insulate trailer for trip...................