Waste gate and blow off valve, are they the same?
Junior Member
Joined: Feb 2003
Posts: 47
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From: Las Vegas
The blow off valve(BOV) vents boost pressure from the intake tract when the throttle plate is closed to prevent compressor surge. It also makes a cool "psssshhhhh" sound.
The wastegate vents exhaust gases around the turbine wheel, and in rally cars it makes that chirping sound.
The wastegate vents exhaust gases around the turbine wheel, and in rally cars it makes that chirping sound.
