View Full Version : Need Help To understand?!?!?!

240 Drifter15
01-26-2005, 10:03 PM
Ok this may be a little off topic but can some one please explain to me the diference between a Blow of valve and a diverter valve. Plz, some help for better understanding.

01-26-2005, 10:12 PM
A blow off valve typically vents boost pressure to atmosphere, whereas a diverter or compressor bypass valve recirculates the boost pressure back into the intake piping in front of the turbo so there is no rich condition in a MAF based car.

240 Drifter15
01-26-2005, 10:49 PM

01-26-2005, 11:00 PM
C'mon dood, you are killing me over here!

240 Drifter15
01-26-2005, 11:08 PM
i just need help understanding how you can have vaccum in the turbo-to-intake pipe with a turbo pushing air to a blocked throttle plate. How does the diverter vavle engage.

01-26-2005, 11:21 PM
The vacuum to open the valve comes from the intake manifold. When the throttle plate shuts, there is vacuum within the intake manifold. A vacuum line runs from a port on the intake manifold to the top of the BOV/diverter valve, which actuates the valve itself.

240 Drifter15
01-27-2005, 12:05 AM
THANK YOU FOR THE CLEARITY!!!!! http://forums.freshalloy.com/images/graemlins/grin.gif