This evening I started the engine with my new T04 turbo installed. The sound is much deeper/throatier than before, but not louder. There's a video at http://canardaviation.com/cozy/idling.mov for those with high speed connections. A picture of the installation is attached. John Slade <t041.jpg> -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/