TwinTurbo.NET: Nissan 300ZX forum - You can have better control on external wastegates.
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Subject You can have better control on external wastegates.
     
Posted by MixManMash on November 12, 2018 at 9:16 AM
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In Reply To Re: I don't think RedZed is going back together until I can get posted by ouikikazz on November 12, 2018 at 07:48 AM
     
Message You can use boost pressure on external wastegates to hold them closed as well.

I have seen issues on internal wastegates where if the port is large, the actuator has trouble keeping the gate shut. In some cases, you have to go with a higher spring pressure to run higher boost, but then your ability to control for a wider range of boost pressures is gone (i.e 10-30 psi).

     
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