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Thread: How much boost can it take?

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  1. #1

    Array
    Status
    Offline
    Join Date
    03-26-2011
    Posts
    90
    Location

    Farmington, UT
    Vehicle

    1983 Mitsubishi Mighty Max
    Engine

    4D56-T
    Quote Originally Posted by trevorcwormald View Post
    No gauge for EGT
    Before you touch anything you need a pyrometer. Also boost is a tricky thing and it is all relative to size of the turbo.

  2. #2

    Array
    Status
    Offline
    Join Date
    04-17-2011
    Posts
    38
    Location

    San Diego, CA
    Vehicle

    1983 Mitsubishi Mighty Max
    Engine

    4D55
    I blew the oil seal on the turbo. Still driving now with wastegate connected. Smokes and smells bad. I ordered new turbo off the internet. Ebay keyword 4d56 1st one that says it fits 84 and is oil cooled. Im sure its Chinese. I'll slap it on and use while mine gets rebuilt. I wanted water cooled but I need plumbing hardware for it. Also im looking into getting a pyrometer before I boost higher. Where did you install it? can I weld a threaded bung on the exhaust pipe right after the flange? Or is that too far away from the turbo? How hot is too hot?
    Quote Originally Posted by 4D55 Performance View Post
    Before you touch anything you need a pyrometer. Also boost is a tricky thing and it is all relative to size of the turbo.

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