What is a wastegate?(Searched)
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corey240
- Posts: 3306
- Joined: Thu Sep 08, 2005 10:04 am
- Car: 1993 Nissan 240SX Base Drift Machine
- Location: Cumberland, MD
What is a wastegate?(Searched)
ok i have searched and i really havnt found too much usefull things...i feel stupid about asking this but this is 1 of thos things i just dont know much about so sombody please fill me in on info about what the wastegate does and what its for please. thanks
---wikipedia
A wastegate is a valve that diverts exhaust gases away from the turbine wheel in a turbocharger. Diversion of exhaust gases causes the turbine to lose speed, which in turn reduces the rotating speed of the compressor. The primary function of the wastegate is to stabilize boost pressure in turbocharger systems. The wastegate is controlled pneumatically by a wastegate actuator.
Internal
An internal wastegate is an integral part of the turbine housing. The wastegate actuator is commonly attached to the compressor housing with a metal bracket.
External
An external wastegate is a separate self-contained mechanism designed for turbochargers that don't have internal wastegates. An external wastegate requires a specially constructed turbo manifold with a dedicated runner going to the wastegate. The external wastegate can also be mounted off a o2 housing, or it may be part of the exhaust housing itself. External wastegates are commonly used for regulating boost levels more precisely than internal wastegates in high power applications, where high boost levels can be achieved.
Atmospheric/Divorced Wastegates
These terms refer to the handling of the gases after they leave the wastegate, instead of the wastegate mechanism itself. A divorced wastegate dumps the gases directly into the atmosphere, instead of returning it with the rest of an engine's exhaust. This is done to prevent turbulence to the exhaust flow.
A wastegate is a valve that diverts exhaust gases away from the turbine wheel in a turbocharger. Diversion of exhaust gases causes the turbine to lose speed, which in turn reduces the rotating speed of the compressor. The primary function of the wastegate is to stabilize boost pressure in turbocharger systems. The wastegate is controlled pneumatically by a wastegate actuator.
Internal
An internal wastegate is an integral part of the turbine housing. The wastegate actuator is commonly attached to the compressor housing with a metal bracket.
External
An external wastegate is a separate self-contained mechanism designed for turbochargers that don't have internal wastegates. An external wastegate requires a specially constructed turbo manifold with a dedicated runner going to the wastegate. The external wastegate can also be mounted off a o2 housing, or it may be part of the exhaust housing itself. External wastegates are commonly used for regulating boost levels more precisely than internal wastegates in high power applications, where high boost levels can be achieved.
Atmospheric/Divorced Wastegates
These terms refer to the handling of the gases after they leave the wastegate, instead of the wastegate mechanism itself. A divorced wastegate dumps the gases directly into the atmosphere, instead of returning it with the rest of an engine's exhaust. This is done to prevent turbulence to the exhaust flow.
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corey240
- Posts: 3306
- Joined: Thu Sep 08, 2005 10:04 am
- Car: 1993 Nissan 240SX Base Drift Machine
- Location: Cumberland, MD
Re: (Loveless)
so what about the stock t-25 on a redtop? would it be a worth while thing to buy an after market one?