Join Date: Jul 2007
Location: Tipton, Mich
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Maybe its not even "bark" he is referring too. After you let off the pedel on High boost, or elevated boost pressures, the still exsisting boost pressure is no longer needed in the turbo to be forced into the intake so the boost pressure is dumped thru the Waste gate. That is more than likley what you may be hearing. I hear it in mine everyday and it is the wastegate dumping boost out before it gets spooled into the intake.
During acceleration and haring the whistle fo love from the turbo and then letting off the pedel, you will hear a long accentuated "WHHHOOOOOOSH".
This is waste gate dump, not bark. Am I correct here. Someone chime in.
Just my .02
07, Big Horn 2500, 5.9, autometer Pyro and Boost,Predator stacked w/Power Puck,westin deer catcher,XTang tilt up, Nitto Dura Grappler 285/75R17E, Muffler MIA,Gutted Torqe tube,AFE BladeRunner,IceBox, Amsoil NANO4510,Galaxy DX99V CBRadio,Linear,Wilson 5000