Differential and Hub stubs - Group Buy, anyone? - Page 2

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  1. #11
    Whistles racerxj220's Avatar
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    Spirited driving on any kind of HP will generate more heat than the diff can dissipate. I'm curious to know if anybody has broken a truetrac with HP alone. So far, I haven't found that number.

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  3. #12
    Addict raysupra's Avatar
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    Torque? lol I know some people who do know... and there is a number, I saw Jacks transmissions I believe add a cooler to R154's being used in high hp applications... I believe the same thing could be added to a differential I guess? not sure it would help diffs since snappy torque is generally the killer not hard running.
    -Parker-
    1985 MKII:2jz/R154/AEM EMS2

  4. #13
    Whistles racerxj220's Avatar
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    Spill the beans, what's the magic torque number?

    My 1J should make a hair over 276hp.

    I've heard a dog box is rough on diffs, anyway.

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  6. #14
    Addict raysupra's Avatar
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    Hmm, well I'd have to ask for a specific number, Think everything up to 550whp is pretty solid.. anything pushing those limits starts to gamble.. anything past 600 I hear they aren't reliable, but I don't have solid proof yet besides a decent source. Doesn't mean one can be run at 1000whp. just depends how you use it.
    -Parker-
    1985 MKII:2jz/R154/AEM EMS2

  7. #15
    CelicaSupra.com Member williamb82's Avatar
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    No one has killed a true trac yet. Axles, axle stubs, wheel hubs, ring and pinion gears, but not the true trac itself yet. One guy was launching on slicks with 700rwhp, didnt break the truck track, was snapping wheel hubs and axle stubs as he had already upgraded the axles.

    So is he going to make the axle stubs and the wheel hubs? If he makes wheel hubs, I might be interested in a set in 5 lug. That would let me run the 8.8 diff with the stock control arms and "hopefully" hold up. At $225 each, i think I can swing that.
    william
    Hidden Content black 84 7mgte, MS2, truetrac, bbk, etc...soon to have 2jzgte and t56
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  8. #16
    CelicaSupra.com Member gamble's Avatar
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    Quote Originally Posted by williamb82 View Post
    No one has killed a true trac yet. Axles, axle stubs, wheel hubs, ring and pinion gears, but not the true trac itself yet. One guy was launching on slicks with 700rwhp, didnt break the truck track, was snapping wheel hubs and axle stubs as he had already upgraded the axles.

    So is he going to make the axle stubs and the wheel hubs? If he makes wheel hubs, I might be interested in a set in 5 lug. That would let me run the 8.8 diff with the stock control arms and "hopefully" hold up. At $225 each, i think I can swing that.
    Agreed, 5 lug conversion pieces would do well for the rear. Quite a few folks out there lookin for em.

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