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polizei polizei is offline
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Join Date: May 2007
Location: Collegeville, PA
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Originally Posted by spence88mph View Post
Andy, compare the maps of the turbo you're looking at with and without anti surge and base your opinions there, I have heard it adds lag but I'm not sure. As you mentioned, at low boost levels I don't think this is a factor.
Thanks as always for pitching in. I pulled the compressor maps for the two Garrett compressor housings I'm considering. The one on the left has a ported shroud and the one on the right does not. Otherwise, they appear identical. I'm not sure how to read these graphs. Thoughts?

Andy - 1987 911 Carrera Coupe
Old 06-21-2011, 06:36 PM
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