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I just got retuned today after i installed a Kurgan Motorsports "powerpipe" and went from a 3.60pulley on my vortech to a 3.33 and im pretty happy with the results:
-old #'s
-369HP/359TQ-7.21lbs of boost
-new #'s
-410HP/393TQ-10lbs of boost
yeah, im done with adding more power for now. Next on the list will be some track wheels/tires, rear seat delete, and maybe a new tranny before i bust the T3650