Thread: Boost gauge tee piece
View Single Post
  #19  
Old 19-10-2010, 02:05 PM
Mister Two's Avatar
Mister Two Mister Two is offline
Perth WRX Old Skool Cool Dude
Member
  
Join Date: Mar 2006
Location: Surface of the Sun
Posts: 4,042
Thanks: 5
Thanked 8 Times in 8 Posts
Mister Two at standard level
Default
No you wont see vacuum if you attach the boost gauge to the compressor housing or at any place before the throttle body.

The Vacuum in the intake manifold is generated by the motor sucking air through the limited flow of the IACV with a closed throttle body.

Before the throttle body there is nothing that really limits the flow of air enough to generate a vacuum at idle.

I challenge you to try it. Hook up a boost/vacuum gauge to the compressor housing of your turbo and get back to us.

And anyway... The WHOLE point of a boost gauge is so you can see the pressure the engine is seeing. Connecting a gauge to any location other than the intake manifold is pointless.
__________________
RS Liberty - Because WRX's are only good for parts...
Reply With Quote