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Thread: What’s the difference between an r154 and r155 gearbox

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    Senior Member KE70GT's Avatar
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    Default What’s the difference between an r154 and r155 gearbox


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    Apart from the gear ratios what’s the difference between these gear boxes can they handle the same amount of power?

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    R155 is from late model hilux I am pretty sure, I am using one behind my 1UZ cheap as chips, can but 3 or 4 for the price of 1 R154.
    "Not all commodore drivers are wankers, but all wankers drive commodores"

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    Senior Member KE70GT's Avatar
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    Exactly there heaps cheaper I’ve driven a few Hilux’s and they change gear very nicely just looking for a gearbox to put behind a beams that I can punish every day R154 seem like strong gearbox but they cost too much and they’re getting old

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    Might be worth the punt, given a r154 sets you back around $2500. Are the bell housings the same?
    Ae86 Drivingclub - Toyota AE86 Car Club where AE86 | KE70 | Toyota 86 / GT86 | Subaru BRZ | Scion FRS owners

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    are they common?
    and as matt said same bolt pattern for both sides of the bell housing?

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    Well they still make them new at the moment... I thought a average R154 was around 1500, well I could buy about 5 R155's for 2.5k, haha. It didn't matter to me with the bellhouseing because I had to use custom one anyway with 1uz.
    "Not all commodore drivers are wankers, but all wankers drive commodores"

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    R155 and R155F
    1st 3.954
    2nd 2.062
    3rd 1.436
    4th 1.00
    5th 0.805


    r154

    1st 3.251
    2nd 1.955
    3rd 1.310
    4th 1.00
    5th 0.753

    Gear ratios.


    Plus you can get these if you really need them - http://cgi.ebay.com/ws/eBayISAPI.dll...tchlink:top:en

    I would rather just bend the shifter back a bit though...
    Last edited by jakel; 15th October 2012 at 12:14 AM.
    "Not all commodore drivers are wankers, but all wankers drive commodores"

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    Ratios look better in the r155, espesally for a 1uz or so thing else with a lot of torque.
    Quote Originally Posted by Gunner View Post
    Id explain more but there people on here I dont like, and i want to see this shit on thsir supposedly awesome masterfully built but stock power making 20v
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    That low ratio 1st gear on the R155 looks like it'd be really annoying on any performance engine.

    Is there anything wrong with using a W5x box? If they can handle the torque of an NA 1UZ I'm sure they'd be fine for a beams.

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    I'm using a W57 behind a 1uz in my current 2WD Hilux build, and apparently they are more then up to the job.
    If you take a look at Lextreme forums, W Series are the most common box used behind 1UZ, and good for up to 300+hp set ups with mountains of torque.

    W57
    1st 3.285
    2nd 1.894
    3rd 1.275
    4th 1.
    5th 0.861

    Rev 3.768

    I'll let you know how good they are in a couple of weeks, just got the engine/box and shaft mounted yesterday and have started to wire it up now.
    Ali.
    Last edited by Futo_gt86; 15th October 2012 at 08:57 PM.

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