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Thread: pre turbo egt's?

  1. 10th August 2011, 06:23 PM #1
    def-90's Avatar
    def-90
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    pre turbo egt's?

    ok so soon i will get around to doing a road tune on my baboon and wondering what you guys believe is a safe pre turbo egt max temp in celcius?

    probe is here - a vdo unit





    thanks fellas and possible lass's
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  2. 10th August 2011, 06:47 PM #2
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    Blknight.aus
    Blknight.aus is offline RoverLord Vendor
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    650 deg C is sustainable.

    this post of this thread
    Dave

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  3. 10th August 2011, 06:57 PM #3
    jimbob
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    What engine have you got? Mine is td5 and it gets up to 750 all the time. I dont hold it there though. Just to creep over a hill or overtake.
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  4. 10th August 2011, 07:51 PM #4
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    rar110
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    My probe is post turbo.

    Ive reached just over 600 going up the Toowoomba range towing a trailer. It did start to smell like it was melting. I dropped back the gearing and all was forgiven. It performed perfectly for the remainder of the 3 week trip (5000km).

    I was running a manual boost controller and an over boost valve which released at about 14psi.

    I have since removed the valve, the boost controller and disconnected the wastegate. It now runs better with EGTs about 80 degrees less and boost goes up to about 22psi.
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  5. 10th August 2011, 08:52 PM #5
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    rovercare
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    I'm running mine upto 750C...cant get any more fuel in though, fuel screw is sitting between the front seats
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  6. 10th August 2011, 09:00 PM #6
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    isuzurover
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    My Isuzu WS manual says max 750oC pre turbo for the 4BD1T. It has piston oil sprays though.

    I did the whole Nullarbor into an extreme headwind sitting on 600-700(+) with no problems.
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  7. 15th August 2011, 06:18 AM #7
    Dougal
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    Generally 750C peak and a little lower sustained. Put your own safety factor in there if you like.

    I've seen 900C many times during inattention. My engine seems to survive fine but I wouldn't pull those temps intentionally.
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