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  1. #1
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    Nismo gearbox.

    What do you think of this gearbox.
    It's way cheaper than the HKS gearbox.

    Does this gearbox fix the circlip isue?
    Anyone know how much power it can handle?

    Just investigating mods for year 2057



    Quote Originally Posted by Ooparts

    Model P/N Price [Jp Y]
    SR20DET 32010-RRS50 336,000

    Gear Ratio [1-6] : 2.9071/ 1.9888/ 1.5373/ 1.2179/ 1.0000/ 0.8624

    Mount Kits 3137S-RRS50 70,350

    Edit:
    A link to where I found it.
    http://www.ooparts-international.co..../frameset.html
    Nissan GTR -09 Now with Cobb accessport stage 2

  2. #2
    Join Date
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    I'd say it'd be a bit like setting off in 2nd...

  3. #3
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    Quote Originally Posted by Nicely
    I'd say it'd be a bit like setting off in 2nd...

    Are the gear ratios strange?
    Nissan GTR -09 Now with Cobb accessport stage 2

  4. #4
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    Standard ratios

    [1-6] 3.626/2.200/1.541/1.213/1.000/0.767 Reverse: 3.437

  5. #5
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    Just had a look on the OS Giken 3 gear set.

    SR20DET(FR) 5-gear set w/input shaft
    1st gear 2.717
    2nd gear 1.722
    3rd gear 1.232

    Maybe the lower ratio works better with the car as most aftermarket boxes and internals seem to have lower ratio

    Edit:
    Or could it be that they are matched for higher power figures. Making the high ratio on the stock box first gear obsolete?
    Nissan GTR -09 Now with Cobb accessport stage 2

  6. #6
    S15R Guest
    HPI gearbox is based on nismo gears, it also handle more power and torque

  7. #7
    Brad Guest
    Better option is to get the stockie rebuilt. Having 2nd gear sitting on the table beside me as a paperweight and going on the advice of a gearbox rebuilder and the place that repaired my box the strength of the stock gearset or input / counter shafts is not an issue until some serious mods come along. The circlip was fixed on mine obviously no problems yet but I havent heard one person with an S15 have to get their box ripped out twice... *fingers crossed*

    A good friend just had a OS Giken full gearset put in and reports that it feels great, his is a five speed S14a box though.
    http://www.thecarscene.com/forums/in...opic=1044&st=0

    Brad.

  8. #8
    s15_is_sx Guest
    Hey Brad how did you get the circlip problem fixed and how much did it cost??

  9. #9
    Brad Guest
    It was all tied up in the labour cost so I couldnt identify how much just that was. Having to pull the box and the counter gears out and the machining for that alone wouldnt be cheap. I would say they would charge around 3-4 hours labour for a 1.5 hour job if someone knew what they where doing and had done it before.

    Brad.

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