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Thread: GQ Manual Trans ratios

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    GQ Manual Trans ratios

    Just a quick Q about GQ Transmissions

    The manual transmission in the GQ, do all transmissions have the same gear ratios for the TB TD and RD?

    Just did a big trip and really noticed the Gap from 2-3, 3-4 esp on hills. I did swap transmissions when I first got the truck and not sure where it came from.

    Would a TB transmission have different gears ratios as a TD? I thought all the difference was in the Diff ratios.


    Thanks guys

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    MB TD42 (16th January 2020)

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    Expert Dingbat MB TD42's Avatar
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    Don't think they are much different...the differential ratios may be...I think the Rb28 is a 4.6...the TD42 is 4.1 and the TB may be the same...

    I use 4.6 diffs with my talker tires so the TD4.2 tows better...

    Try using a higher ratio to beef up the pull?



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    Last edited by MB TD42; 16th January 2020 at 10:26 AM.
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    Patrol God mudnut's Avatar
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    There are different boxes used. I think the RB and RD use basically the same box with a few minor differences.
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    MB TD42 (16th January 2020)

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    Thanks. I will try and find the part number on the trans

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