Author Topic: How hot should the rear end get?  (Read 1492 times)

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Offline 16FW

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How hot should the rear end get?
« on: September 14, 2004, 05:06:00 AM »
My Corparate 9.25 was getting so hot you couldn't touch it, but the Dana 44 was cool.

I had it rebuilt, and now it is only a little cooler. What is the "normal" temp for an RC rear end on the highway?
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I sold my 85 Black RC 4X4  Prospector,  3.5" Lift, M/T Claw 33's, w/ Megasquirt fuel injection, locked front and rear.

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    Offline chrysler300le

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    RE: How hot should the rear end get?
    « Reply #1 on: September 14, 2004, 05:16:08 AM »
    I say pretty warm to touch.  140 would be a good guess for the temp.
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    Offline 16FW

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    RE: How hot should the rear end get?
    « Reply #2 on: September 14, 2004, 08:06:42 AM »

    I say pretty warm to touch.  140 would be a good guess for the temp.


    Thanks!
    2015 Jeep Wrangler Unlimited Rubicon
    I sold my 85 Black RC 4X4  Prospector,  3.5" Lift, M/T Claw 33's, w/ Megasquirt fuel injection, locked front and rear.

    Offline KThaxton

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    Re:How hot should the rear end get?
    « Reply #3 on: September 14, 2004, 10:15:40 AM »
    Good guess 300le..
    I just recently aquired an IR thermometer, (the kind with the laser pointer), and have been having the time of my life measuring the temp of things. I checked my RC's rear and it was somewhere between 140 and 150.
    Also, I noticed one exhaust manifold is about 100 deg. hotter than the other....so now I'm gonna be dwelling on that. >:(

    16FW, The reason your 44 is cooler is because it isn't doing much work while you're driving on the highway.
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    Offline Charger92

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    Re:How hot should the rear end get?
    « Reply #4 on: September 14, 2004, 10:37:18 AM »
    Ya, touching the pumkin is very warm and hard to hold the hand on there for long. I don't know about actual temp but defitly warm. The front 44 is also right in the wind when driving which helps.
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    Offline 16FW

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    Re:How hot should the rear end get?
    « Reply #5 on: September 14, 2004, 11:43:37 AM »

    Ya, touching the pumkin is very warm and hard to hold the hand on there for long. I don't know about actual temp but defitly warm. The front 44 is also right in the wind when driving which helps.


    It is touchable now, but it wasn't before I got it overhauled. I guess it is ok now. 140 is about what hot water comes out, so that seems about right.
    2015 Jeep Wrangler Unlimited Rubicon
    I sold my 85 Black RC 4X4  Prospector,  3.5" Lift, M/T Claw 33's, w/ Megasquirt fuel injection, locked front and rear.

     

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