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Thread: VIDEO : HEATING THINGS UP - Putting Moby's 6.2L LT Cooling System to the Test

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    Administrator wayoflife's Avatar
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    VIDEO : HEATING THINGS UP - Putting Moby's 6.2L LT Cooling System to the Test

    When it comes to V8 motor swaps, everyone wants to talk about things like horsepower, torque, what it sounds like or what it looks like under the hood. But the one thing that nobody really wants to talk about, is heat. With big power comes high temps under the hood and it's a real problem and one that can be difficult to keep in check. Fortunately, Motech has done a great job of addressing the cooling needs of Moby's brand new 6.2L Gen-V LT engine and I would have to say, they've even gotten it to run measurably cooler than the LS we had before. In fact, for the better part of a week now, Cindy and I have been pushing Moby hard, bombing him across the desert and taking on the rocks and so far, he's been able to keep both his coolant and transmission temps, well under control. However, we knew there was still one test that we needed to do. One that we've always found to be a challenge, for any engine and that's to make a long, slow and windy climb up a desert mountain and in the kind of triple degree heat that you can almost always find out in the Nevada desert. In this short video, you'll get to see the results of this test.


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    Living the WAYALIFE wjtstudios's Avatar
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    Cool video

    It’s amazing the lengths Robby and you have gone on the cooling system. Glad all that hard work has paid off

    I love the sound of Moby on the move, just beastly!


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    Old Timer TrainWreck618's Avatar
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    Moby sounds badass. Looking forward to more video in the rocks.


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    Meme King WJCO's Avatar
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    Glad to see it's reliable in those conditions. Does moby still have a/c and was the a/c on during that climb?
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  6. #6
    Administrator wayoflife's Avatar
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    Quote Originally Posted by wjtstudios View Post
    Cool video

    It’s amazing the lengths Robby and you have gone on the cooling system. Glad all that hard work has paid off

    I love the sound of Moby on the move, just beastly!
    Thanks! All I've been doing is sharing my experiences and concerns with Robbie. He's just been going the extra mile to help address my concerns. And to be fair, I don't think a vast majority of his customers use their Jeeps the way we do.

    Quote Originally Posted by TrainWreck618 View Post
    Moby sounds badass. Looking forward to more video in the rocks.
    Thinking that'll be sooner than later

    Quote Originally Posted by WJCO View Post
    Glad to see it's reliable in those conditions. Does moby still have a/c and was the a/c on during that climb?
    Yes, Moby still has AC but no, we were not running it during this climb but more out of habit than anything. I would bet that it would have been hard on the cooling system though. That said, we NEVER ran the heater like most would have been forced to.

  7. #7
    Hooked Kuboske's Avatar
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    This shop must really know their stuff. They address every aspect of the engine, transmission swap in the first visit/install.
    Impressive.
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  8. #8
    Addict jeeeep's Avatar
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    V-8 sound brought a tear to my eye and big ass grin on my face

    That was a good test, not all of us get the chance to use our Jeep like you do but nice to know where the potential issues may show up.

    Transmission heat is pretty high at 240-250, I thought above 220 it starts to cause fluid break down and other issues, is it using a synthetic ATF?

    did you have it in 4hi?

    What gear did it make the climb in? I think I heard you say "once I got the gear locked in, temperature stopped climbing"?

    BTW I'm still grinning ear to ear ...dammit, I'm doomed and almost into the whiskey where shopping gets dangerous lol

  9. #9
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    What part of Nevada did run your test looks like near Lake Mead or near the river would like to go there , my wife and I live nearby


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  10. #10
    Knows a Thing or Two pop2tu's Avatar
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    So glad you have Moby back. He sounds great. It is really hard to keep any engine cool running roads like that.

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