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Old 01-27-2013, 09:36 PM   #2764
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Member#: 243992
Join Date: Apr 2010
Chapter/Region: MWSOC
Location: Morton Grove, Illinois
2006 WRX TR


Originally Posted by mofoSTI View Post
What is the best BW turbo to achieve 400 whp with better than stock spool?

I plan on trying to keep it simple and as inexpensive as i can. I want to go efr, ig, ts. Supporting mods will be cosworth pistons, tgv delete, port matched, light port work, dw fp, dw 1200 cc injectors, areomotive fpr, perrin fuel rails, grimmspeed ebc, p&l tb, fr twin scroll exhaust manifold and dp or nameless performance. Might do tomei cams and go one size bigger on the exhaust valve. And i will go sd in the end as well as an e85 map. Gas around here is 92 oct so i dont think 400whp and 400+lbft torque to the ground with better than stock spool is out of the question. I just dont know what efr turbo to get to achieve these goals.

The smallest one with a tiny ar. But faster than stock spool is probably not possible. A vf39 is a 6cm (maybe 7cm) hot side.
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