Montana Owners Club - Keystone Montana 5th Wheel Forum - View Single Post

Jim Dickey · 12-02-2007, 07:46 AM

The 7.3 has a butterfly valve in the exhaust that is normally used to warm up the engine. the Western Diesel's Turbo Brake installs an electronic system that allows the warm up butterfly to be used as an exhaust brake.

12-02-2007, 07:46 AM	#10
Jim Dickey Montana Fan Join Date: Jul 2007 Location: Port Orchard Posts: 126 M.O.C. #7372	The 7.3 has a butterfly valve in the exhaust that is normally used to warm up the engine. the Western Diesel's Turbo Brake installs an electronic system that allows the warm up butterfly to be used as an exhaust brake.