Thread: $0.16 BOV mod
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Old 11-04-2007, 01:26 PM   #9
BurschiK
Scooby Newbie
 
Member#: 109250
Join Date: Mar 2006
Question

First of all, please excuse my bad english, I'm coming from Austria
Quote:
Originally Posted by TheMadScientist View Post
There is a diaphram inside the BOV before this mod the pasage that you block allows boost to be equal on both sides of the diaphram and relies on the spring to hold it closed.
So far so clear
Quote:
After the mod you have boost and the spring pushing the BOV closed with atmosphere trying to push the valve open so the more boost you run the tighter the valve closes.
Mark
This is what I don't unterstand. After your mod you have the boost pushing against the valve, on the other side of the valve you have atmospheric pressure plus the spring load
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