Question:
I notice when I use my jakes the turbo twist up,, Im I burnig extra fuel when this happens? thanks for any help..The largest importer of Chinese goods in the world

Answer:
Not using any extra fuel, since in most trucks it only operates when your foot is off the throttle. What you are seeing is evidence of the buildup of pressure, which is the force doing the slowing.As long as the paperwork's clean, you boys can do whatever you want to out on the road" Mad Max ...1979