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Thread: MaxiDrive 49% Rock Crawler Gears

  1. 4th May 2005, 10:59 AM #1
    dirtydisco2 Guest

    MaxiDrive 49% Rock Crawler Gears

    Just thought there might be some out there interested to know that MaxiDrive now have available a 49% low range reduction gear in addition to their 30% gear for the LT230. It's $200 dearer ($1718) and requires a little more clearancing in the t-case. The first set went in their own vehicle on the weekend and there are a couple of sets available with more to be heat treated.
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  2. 4th May 2005, 11:41 AM #2
    seqfisho's Avatar
    seqfisho
    seqfisho is offline Wizard
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    HHMMMMMM :roll: :roll: :roll:


    How slow can you go :wink:




    Damn, the wish list has just got longer


























    And dearer 8O 8O :wink: [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img] [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img]



    Glen.
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  3. 4th May 2005, 12:23 PM #3
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    TuffRR
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    49% hey?

    I have the 30% gears in mine with a ZF auto. I'm running 35's with the standard 3.54 diffs. 49% sounds sexy but in reality i reckon it is too low. Downhill my brakes will not stop me if in low range. I've found its safer to descend hills in high range because at least this way i can stop if need be (easier than shifting up into neutral IMO).

    In a manual vehicle it would be different though.
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  4. 5th May 2005, 01:07 PM #4
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    dungarover
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    49% sounds good, that's if it's in low range only (which it would be). Would make the ZF auto VERY low, close to a manual 1st low.

    Will be a while before I do anyhting like that, too poor ATM

    Trav
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  5. 18th February 2007, 05:53 PM #5
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    PeterM
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    Apologies for resurrecting an old thread folks but just curious about the work required with fitting the 30% reduction kit. Is it a simple 'plug and play' with new bearings and gaskets while you're there or is there machining required?
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  6. 18th February 2007, 08:33 PM #6
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    DRanged
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    Gears

    49%

    I tell you what I know what Mal is doing with his vehicle and it makes sense.

    I have the 30% in mine along with 4:1 diffs running 35" and it is plenty low enough. Running the Isuzu you have to be very carefull as you have so much torque available in 1st & 2nd gear it is easy to get stuck on a rock face or step and forget to button off before you detonate something. I have a good collection of twisted rear tailshafts and sheared front stub shafts as a reminder

    Gives you more ratio combos to play with though.

    Justin
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  7. 18th February 2007, 08:39 PM #7
    Bush65
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    With mine, I used an angle grinder to remove some material from some ribs/bosses cast inside the case. It was also necessary to grind an area from one side of the selector shaft.

    This is necessary to provide clearance for the larger diameter gear and is included in the fitting instructions.

    With some LT230's it is necessary to relocate the drain plug, so that the magnet on the plug does not interfere with the gear. A tap and plug is provided with the kit. I did not have to do this with mine.
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