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Thread: EGT

  1. #1
    Join Date
    Dec 2012
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    Stuart Town
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    EGT

    Hi all, just wondering what effect does the ambient temperature have on the EGT? I fitted new injectors and a reconditioned injector pump a few days ago and fitted an EGT guage today. I thought that I had lost a fair bit of power in the process, so I screwed the feed screw in about an 8th of a turn and it seems to be going quite a bit better. The EGT was maxing out at 580 prior to adjustment and about 595 afterwards. I might go a little more, but not a lot. The ambient temperature here was about 15-20 degrees. How much effect would there be if the ambient temperature was say 40 degrees?

    Thanks,
    Tom.

    P.S. the probe is in the EGR blanking plate so temps are pre turbo.
    1996 Disco 1 300TDI manual - Lucille a cantankerous red head! :D
    1997 Disco 1 300TDI Auto - sold

  2. #2
    Join Date
    Aug 2006
    Location
    Kingston, Tassie, OZ.
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    595 is still a 'cool' tune. Ambients play an important part on intercooler efficiency so yes a few degrees higher on hot days would be expected.

    Jc
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

  3. #3
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    Dec 2012
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    Hi Justin, I should also say that it has the Allisport intercooler.

    Thanks,
    Tom.
    1996 Disco 1 300TDI manual - Lucille a cantankerous red head! :D
    1997 Disco 1 300TDI Auto - sold

  4. #4
    Join Date
    Jan 1970
    Location
    NSW far north coast
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    What JC said.

    I used to see 623* on the hills where I used to live with a bog stock tune.

  5. #5
    Join Date
    Feb 2011
    Location
    Orange
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    EGT when EGT guage fitted

    When I first fitted my EGT Guage I was getting 950 on a regually driven hill as the muppet I bought it (97 Disco) of had maxeed out the pump.
    Now same hill 680 after pump tunning by pro

  6. #6
    Join Date
    Apr 2002
    Location
    Godwin Beach 4511
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    680 is where i end up these days and it seems to be a good mix of power vs constantly watching egt gauge
    1998 Discovery 300TDi Manual SE7
    1996 Discovery 300TDi Auto
    2012 SZ Territory TX 2.7TDCi

    "Make the lie big, make it simple, keep saying it, and eventually they will believe it." -- a warning from Adolf Hitler
    "If you don't have a sense of humour, you probably don't have any sense at all!" -- a wise observation by someone else
    'If everyone colludes in believing that war is the norm, nobody will recognize the imperative of peace." -- Anne Deveson
    “What you leave behind is not what is engraved in stone monuments, but what is woven into the lives of others.” - Pericles
    "The happiness of your life depends upon the quality of your thoughts." Marcus Aurelius

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