T3/t4 ????
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This is a discussion on T3/t4 ???? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Was always wondering what this was...T3/T4? I asked a buddy of mine and he explained that its the type of ...

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    Registered User EvoEatr's Avatar
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    T3/t4 ????

    Was always wondering what this was...T3/T4? I asked a buddy of mine and he explained that its the type of flange the turbo has on it? If this is true? How many types/styles of flanges are there? Im assuming this is an exhaust flange? Could someone please explain this to me.. Thanks in advance for any info...

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    He simply abides. SD_GR's Avatar
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    Garrett is now owned by Honeywell. The T3 and T4 were turbo models. From what you've said it does seem the person is talking about a turbo that has those fittings -- today, Garrett turbos are used in other people's products (the same way people sell "16G" turbos that are Mitsubishi units).
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    Registered User EvoEatr's Avatar
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    AH ok so its just the type of turbo...ok yeah i know now its honeywell garrett...yea he has a GT35R on his EVO....so it really has nothing to do with the flanges themselves just a different design of turbo?...I was reading something the other day that said IHI, Mitsubishi, and honeywell garrett are the 3 only kinds of turbos and everything else is a variation off of those...is this similiar to what your saying? like what is t3 describing? is it a name just like the GT32 GT35R etc etc????

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    Quote Originally Posted by EvoEatr View Post
    so it really has nothing to do with the flanges themselves just a different design of turbo?
    It depends on the context but my guess is he was referring to both. It was common to use T3/4 flanges especially when retrofitting turbo systems to atmospherically aspirated motors.

    As for turbo makers, keep in mind that there were times when a manufacturer would simply say "we'll do this ourselves" unlike Subaru who buy units to spec from third parties. Mitsubishi have done this, but so have Toyota for example. There are also other makers that aren't discussed here because of their target markets (KKK for example).
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    The world breaks everyone and afterward many are strong in the broken places. Ernest Hemingway
    I lied. I cheated. I bribed men to cover the crimes of other men. I am an accessory to murder. But the most damning thing of all... I think I can live with it. And if I had to do it all over again - I would. Benjamin Sisko
    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

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