'04 Cummins Blow Off Valve

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Comments (64)
 
May not have been right but i love the blow off noise!
AMSevo8man
August 27, 2008
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def not a bov
QuicktimeGT
March 25, 2008
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compressor surge
85stang04titan
February 08, 2008
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thats def not the BOV
Cummins06boss
October 16, 2007
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if that was a BOV....nice. but it wasnt. go ahead and get one so you dont have more compression surges
thenextstig
September 25, 2007
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no its the deisel turbo its stock
UnderBoosted
June 22, 2007
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thats compressor surge...NOT GOOD....what ur hearing is the turbine spinnig....then stopping...spinning..stopping...it will wear out the bearings and then u will have no turbo!
Cumminstd59
June 13, 2007
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Ok guys, it isnt a blowoff valve and it isnt the turbo stopping fast. When the throttle blade is slammed shut when you let off the gas, the pressurized air that is traveling towards the intake has no where to go except back through the turbo. The turbo is still spinning and now it has the prssurized air flowing back through it. THAT is what that sound is...
RC
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Added: Mar 15, 2006
'04 Cummins Blow Off Valve