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Thread: Internal or External wastegate for TD05's

  1. #1
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    Sep 2010
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    Northern Virginia
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    Internal or External wastegate for TD05's

    Right now I have internally gated TD05 big 16G's. If I were to switch my setup to externally gated what differences would I notice if that is the only change? I know I would need to change manifold setups, but that would be no problem if it is better in the long run.

  2. #2
    Riding topless!! verified
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    Sep 2010
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    Owned 8 3s since 2005.

    Corpus Christi
    Thanked 29 Times in 10 Posts
    Internal wastegates are perfectly fine up to 30 psi from what I understand. Once you go past 30 psi then they will have trouble holding. I believe those turbos max out at out around 30 psi anyways so I wouldn't really worry about changing anything.


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