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      11-01-2012, 02:21 PM   #332
Andrew@ActiveAutowerke
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Drives: 2014 435I M-sport
Join Date: Dec 2011
Location: Miami Fl

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Quote:
Originally Posted by pbonsalb View Post
My understanding is that the Rotrex C38-91 on the AA car made 502 rwhp on their Mustang and 555 rwhp SAE on a Dynojet, at 10.1 psi peak boost.

http://www.m3post.com/forums/showthr...ghlight=c38-91

Obviously, the dyno does not reflect daily driveability, and I think that is where a planetary gear drive blower has at least some advantage.
That engine is extremely low compression. The Rotrex will make more power on a stock engine.
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