wastegate
AznVirus
11-20-2001, 06:31 PM
whats the difference between a wastegate and blowoff valve? :confused:
P10DET
11-20-2001, 08:40 PM
Originally posted by AznVirus
whats the difference between a wastegate and blowoff valve? :confused:
A wastegate bleeds off exhaust away from the turbo to control boost level. A blow-off valve dumps pressurized air from the intake tract when the throttle plate closes. This keeps the the intake charge from reflecting back to the compressor blades and potentially damaging them. A compressor by-pass valve does the same thing, only it dumps the intake air back into the intake tract before the compressor rather than to the atmosphere like a blow-off vavle.
BTW, a wastegate is sometimes called a pop-off valve (not to be confused with a blow-off valve).
whats the difference between a wastegate and blowoff valve? :confused:
A wastegate bleeds off exhaust away from the turbo to control boost level. A blow-off valve dumps pressurized air from the intake tract when the throttle plate closes. This keeps the the intake charge from reflecting back to the compressor blades and potentially damaging them. A compressor by-pass valve does the same thing, only it dumps the intake air back into the intake tract before the compressor rather than to the atmosphere like a blow-off vavle.
BTW, a wastegate is sometimes called a pop-off valve (not to be confused with a blow-off valve).
AznVirus
11-21-2001, 06:39 AM
thanks for the explanation :D where is the wastegate located?
G-Forces
11-21-2001, 07:20 AM
A lot of the time the wastegate is integrated into the turbine housing. Sometimes the wastegate is 'divorced' and extra plumbing is used to by pass the turbo altogether.
Pictured below is an integrated wastegate. That little flap opens and some of the exhaust bypasses the turbine wheel.
Pictured below is an integrated wastegate. That little flap opens and some of the exhaust bypasses the turbine wheel.
G-Forces
11-21-2001, 07:21 AM
Here is the external wastegate on the SE-R turbo kit. Notice the pipe that comes out of the wastegate and reintroduces the exhaust after the turbo.
joey31982
02-12-2002, 11:13 PM
does a wastegate make a sweet noise like a blowoff vavle and could you have both?
G-Forces
02-13-2002, 07:54 AM
Originally posted by joey31982
does a wastegate make a sweet noise like a blowoff vavle and could you have both?
I'm not sure what you mean. People don't get them because of the 'sweet' noise. The BOV and wastegate are two differet things. So yes you can have both, or one or the other or none even.
I don't think they make any sound unless you dump the exhaust to the atmosphere, then I've heard it REALLY loud.
does a wastegate make a sweet noise like a blowoff vavle and could you have both?
I'm not sure what you mean. People don't get them because of the 'sweet' noise. The BOV and wastegate are two differet things. So yes you can have both, or one or the other or none even.
I don't think they make any sound unless you dump the exhaust to the atmosphere, then I've heard it REALLY loud.
bump909
02-13-2002, 09:39 AM
Originally posted by joey31982
does a wastegate make a sweet noise like a blowoff vavle and could you have both?
:flash: RICEBOY ALERT!! RICEBOY ALERT!! WE HAVE CODE YELLOW!! :flash:
does a wastegate make a sweet noise like a blowoff vavle and could you have both?
:flash: RICEBOY ALERT!! RICEBOY ALERT!! WE HAVE CODE YELLOW!! :flash:
95flG20
02-13-2002, 02:54 PM
haha good stuff, halarious. my friends got a DSM and he disconnected the BOV's recirculation hose so i could hear it just dump into the atmosphere (stock BOV). oddist and loudist noise iver ever herd. i seriously thought something had blown up in his engine compartment. :D
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