Quote:
Originally Posted by JFairman
I have mine vented to atmosphere and I like it that way.
Like Keith said it makes life for the turbo's thrust bearing easier and probably helps keep it spinning fast between shifts by acting like a second small blow off valve.
I like the little fooosh it makes as it blows out air pressure when you let off the throttle between high speed full boost shifts too.
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Just want to make sure I understand. You stated that you are now using the decel valve as more of a secondary BOV, this is because you vent the center port of the decel valve to atmosphere, and if you were to use it as a decel valve, you would connect the center port back up to the port on the intake manifold, so when the throttle is closed, vacuum opens the decel, sending a bit of air into the intake, which causes the idle to hang a bit, correct?