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Thread: Getting a bit hot

  1. 22nd January 2016, 06:39 PM #1
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    Shingleback
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    Getting a bit hot

    G'day all, when it's above 30 degrees outside, loaded up and cruising up long hills on hwy or low range in bush on long Hills, the temp starts to climb to 100. Boost between about 5 - 20 psi only half throttle at best, egt not over about 600. Is this ok or should I do something about it? Sometimes feels like it will boil if hill was any longer. Still running standard fan, was wondering if I replaced it with a twin electric fan set up it would be better, especially for low speed work. was also wondering on the condition of the water pump impellers. The radiator is good, had tanks of and roded before our Cape York trip.

    What you reckon?
    Cheers, Andrew.
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  2. 22nd January 2016, 09:00 PM #2
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    rar110
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    I would wind the fuel back 1/4 turn. See how it goes and then maybe another 1/4. You are not just looking for lower egts, but a sweet spot for the turbo setup.
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  3. 22nd January 2016, 09:39 PM #3
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    Have you checked the thermostat?

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
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  4. 22nd January 2016, 10:07 PM #4
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    Have you touched the tune since matt had it? Because i wouldn't, it ran sweet.
    Have you looked into putting the truck clutch fan on? Its much bigger than the standard flex fan.
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  5. 23rd January 2016, 06:32 AM #5
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    Quote Originally Posted by Vern View Post
    Have you touched the tune since matt had it? Because i wouldn't, it ran sweet.
    Have you looked into putting the truck clutch fan on? Its much bigger than the standard flex fan.
    No haven't touched it but have wondered if it would benefit from a professional tune, but as you said it runs sweet and think it would be a waste of money. But I have herd all the stories of turning fuel and boost down can actually improve performance so always wonder, but if it ain't broke don't fix it!

    And Steve I did have the thermostat out last time I flushed the coolant before our Cape York trip and it looked quite new still, is 82deg, but I didn't test it admittedly.
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  6. 23rd January 2016, 09:54 AM #6
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    Getting a bit hot

    Assume your WTA radiator is clear and not restricting airflow?
    I'd definitely test the t/stat. Have personally had failures in other vehicles even within a few months of fitting, so never trust them when there are cooling issues.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive
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  7. 23rd January 2016, 03:01 PM #7
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    Quote Originally Posted by steveG View Post
    Assume your WTA radiator is clear and not restricting airflow?
    I'd definitely test the t/stat. Have personally had failures in other vehicles even within a few months of fitting, so never trust them when there are cooling issues.

    Steve
    Good idea, will test thermostat to rule it out and go from there. Will also properly check IC isn't blocked. another thing I've thought about is the modified heater hose is the highest part of the cooling system possibly trapping air and affecting the cooling? Even considered fitting a bleed valve in the hose.
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