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Thread: Isuzu gearbox ratios

  1. #11
    Join Date
    Aug 2006
    Location
    WA
    Posts
    13,786
    Quote Originally Posted by Rand Lover View Post
    Thanks Isuzurover.

    Sounds a bit of work that way.

    Any gear box that could fit right in without any mods ?

    Or an overdrive maybe ?
    No and no. The 6x6 drive sits where an OD would bolt in. With any other gearbox option you have the same problem of what to do with the t-case, as well as adapting the box to fit the engine.

  2. #12
    Join Date
    Jan 2015
    Location
    Darwin
    Posts
    10
    OK thanks Isuzurover.

    Will have to look into it closer then.

    Cheers.

  3. #13
    Join Date
    Jul 2006
    Location
    East-South-East Girt-By-Sea
    Posts
    17,566
    Quote Originally Posted by Rand Lover View Post
    Thanks Isuzurover.

    Sounds a bit of work that way.

    Any gear box that could fit right in without any mods ?

    Or an overdrive maybe ?
    Many years ago I had a Ranger overdrive from the US, this was an overdrive that sat on the primary pinion and the whole gearbox/transfer box moved back about 8 inches, The one I had was for a Land cruiser box, but I've never seen one for an LT95. If you could find one to suit the LT95 primary pinion it would be a design that would not disrupt your 6X6 mechanism although you would have to shorten both rear prop shafts and lengthen the front.

    You won't find me on: faceplant; Scipe; Infragam; LumpedIn; ShapCnat or Twitting. I'm just not that interesting.

  4. #14
    Join Date
    Jan 2015
    Location
    Darwin
    Posts
    10
    Thanks Lotz-A-Landies.

  5. #15
    Join Date
    May 2006
    Location
    Woolgoolga
    Posts
    7,213
    Anybody know if the msa5r will go in place of the msa5g? I understand the bell housing is different due to the starter, but not sure on the rest.
    Damien
    ------------------------------------------------

  6. #16
    Join Date
    Sep 2008
    Location
    Geelong, VIC
    Posts
    4,295
    I'm likely wrong, but thought those 2 boxes were the same apart from ratios. The mXa is different though.

    Steve
    1985 County - Isuzu 4bd1 with HX30W turbo, LT95, 255/85-16 KM2's
    1988 120 with rust and potential
    1999 300tdi 130 single cab - "stock as bro"
    2003 D2a Td5 - the boss's daily drive

  7. #17
    Join Date
    May 2006
    Location
    Woolgoolga
    Posts
    7,213
    Yeah I think your right Steve. Bell housing is vastly different though. Will just buy it and see:-)
    Damien
    ------------------------------------------------

  8. #18
    Join Date
    Oct 2012
    Location
    FNQ
    Posts
    1,643
    I checked yesterday if a adaptor housing for a MXA would fit a MSA gear box.Turns out a simple 6mm thick washer with recess for100mm bearing and snap ring one side and same for 90mm the other side.Turns out the MSA I thought was a 5R was a 5 S wich I had not seen before.
    Ratios. 1st. 4.987
    2nd. 2.870
    3rd. 1.684
    4th. 1.000
    5th. 0.778
    R. 4.774

    AM

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