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Old 06-12-2012, 07:26 AM   #247
diablorojo
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Join Date: Oct 2008
Location: Atlanta, GA ..now Houston, TX
Posts: 312
My Ride: Supercharged 330i
interesting thought, what's the actual size difference between the stock and the 6.8"? I have to be careful going larger on my pulley because the 11 psi pulley is only seeing 5 psi of boostStill scratching my head over that one. I knew it would drop after porting and the larger TB but that was surprising but works out great for the project.

I would be interested in the damper for the ability to rev higher with the turbo (of course I'd upgrade lifters as well). What's the down side to the ATI?
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