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copbait73 copbait73 is offline
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Join Date: Nov 2003
Location: Chesterfield IN
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Originally Posted by TurboKraft View Post
On a more stock engine -- 7:1 pistons, stock ports, stock cams -- we have had surge on the dyno and on the road. The turbos boost up quickly and produce more airflow than the engine can use, thus the surge. It makes a real distinct shhh-shhh-shhh sound, and a honking or chirping sound in really bad instances. It's really hard on the turbocharger.
Just a point of clarification, have you found the GT3582 will not surge under load on basically stock 930 (3.0-3.3L) engines with the ported compressor housing?
Do you normally apply the same turbine A/R (?) for both stock and modified (400HP) engines?

Old 06-23-2011, 03:37 AM
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