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Thread: Temp gauge reading cold

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    Temp gauge reading cold

    Have a gq with the rb30 efi. Conversion, the temp reads really cold it sits just above the bottom line even doing 120 on the highway is this normal?
    Also have hooked a aftermarket gauge and reads the same think it was just above 40
    Last edited by lars04; 25th February 2017 at 09:43 PM. Reason: Forgot to add some stuff

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    Patrol Freak garett's Avatar
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    i had a similar problem, my thermostat seized open.
    if its worth doin its worth over doin

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    Change thermostat first, with a factory one, should fix your problem.

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    Cheers fellas I'll check it out, what should it read at?

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    Patrol Freak garett's Avatar
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    well mine being a td42 it reads on the original about 1/3 pretty much everywhere doing almost anything. as for actual temp for an rb30 i guess about 80 ish deg ( an rb30 guy should be able to give a more acc guide) it will depend on which thermostat though a 77 deg will run a bit cooler than the 82 deg.
    if its worth doin its worth over doin

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    Legendary dom14's Avatar
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    Quote Originally Posted by lars04 View Post
    Have a gq with the rb30 efi. Conversion, the temp reads really cold it sits just above the bottom line even doing 120 on the highway is this normal?
    Also have hooked a aftermarket gauge and reads the same think it was just above 40
    The temperature should be 80-85 fully warmed up.
    Get a genuine factory one. I bought an after market one off ebay but for the same price you can get genuine one here

    http://patrolapart.com.au/product/ni...stat-suit-rb30

    It made a huge difference in mine. Engine's running lot happier now.

    Low temperature and high revs is a bad combination for piston rings and walls.
    Last edited by dom14; 26th February 2017 at 05:44 PM.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

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    Thanks mate will order now! So that could explain the random hight revs it has

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    Legendary dom14's Avatar
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    Quote Originally Posted by lars04 View Post
    Thanks mate will order now! So that could explain the random hight revs it has
    Running at too low temperature causing random high revs? I'm not sure about that.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

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    Any idea what would be doing that? Doesn't always happen and only does it for a short time then drops to normal

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    is like choke kicking in? the efi should have a choke like running condition if the temp drops it could be bringing the revs up to warm the engine.
    if its worth doin its worth over doin

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    dom14 (3rd March 2017)

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