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Thread: What`s the DIFFS

  1. #1
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    What`s the DIFFS

    So as a matter of opinion, i want look into replacing the diff with the V6 unit. Drums vs Discs.
    can this be done if the ratios are the same? as we have spare yards here and theres afew V6`s looking sad.

  2. #2
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    Can't tell you about the diffs I'm afraid. I have looked into the gear ratios and especially the final drive ratio of the TSI vs the TDIs.

    2013 Amarok ratios (from VW brochure)
    What`s the DIFFS-2013-amarok-gear-ratios-jpg

    2020 Amarok 2.0TDI ratios (from VW brochure)
    What`s the DIFFS-amarok-tdi-gear-ratios-png

    2020 Amarok V6 ratios (from VW brochure)
    What`s the DIFFS-amarok-v6-gear-ratios-png

    The good news (from my perspective) is that the TSI and TDI ratios are pretty close. I will be attempting a AWD manual transplant from a BiTDI to the TSI at some point in the future.

    Pity that they don't publish the final drive ratio of the V6 is that will give you some indication as to the diff's ratio compared to the 2.0 TDIs

    I'd be looking at ETKA or similar for detailed info for the diff ratios though.
    Current: 2018 MY19 Golf R manual Lapiz Blue + DAP (mods are underway ) 2018 MY18 Golf 110TSI Trendline manual White (with mods now 150TSI) 2014 Amarok TSI Red (tuned over 200kw + lots of extras) 2013 Up! manual Red 2017 Mustang GT manual Race Red with mods now making 370kw
    10 Previous VWs and some others ...

  3. #3
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    ...or the spare parts and see if the crown and pinion have the same amount of teeth.


    Sent from my iPhone using Tapatalk Pro

  4. #4
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    Thanks guys, I will look into this a bit more. might even look to upgrade front brake setup

  5. #5
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    You would be best to go with a manual 120kw/400nm diff, the auto diff is too tall for in 6th gear unless your doing 110kph+ and not too hilly. The lower gears aren't too bad but its not ideal at any point really. the 4.1's from the manual 400nm utes would be ideal as you get to load the turbo up a little more and you get a slightly better hwy cruising rpm.

  6. #6
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    the auto diff will also throw out your digital gear indicator and the cruise won't work in 6th gear as the car doesn't recognise the gears properly. Having a play with the speedo/wheel size options in the VCDS may overcome this though.

  7. #7
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    On the topic of Amarok diffs, was wondering if anyone knew how the Amarok rear diff lock system works? Is it just an electronic brake actuated style or a true mechanical lockable diff center?
    2013 TSI300 2wd I just purchased wasn't optioned with a rear diff lock and I was hoping I could add this now.
    Last edited by EZZA; 03-05-2021 at 02:17 PM.

  8. #8
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    I have it and believe it is a mechanical lock. That is how it was sold to me and I can confirm that locking it and using the power from standstill will leave 2 black lines on the road ..... I don't think the electronic diffs can do that
    Current: 2018 MY19 Golf R manual Lapiz Blue + DAP (mods are underway ) 2018 MY18 Golf 110TSI Trendline manual White (with mods now 150TSI) 2014 Amarok TSI Red (tuned over 200kw + lots of extras) 2013 Up! manual Red 2017 Mustang GT manual Race Red with mods now making 370kw
    10 Previous VWs and some others ...

  9. #9
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    Quote Originally Posted by Sharkie View Post
    I have it and believe it is a mechanical lock. That is how it was sold to me and I can confirm that locking it and using the power from standstill will leave 2 black lines on the road ..... I don't think the electronic diffs can do that
    Haha nice!! Using that TSI APR power

  10. #10
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    Quote Originally Posted by EZZA View Post
    Haha nice!! Using that TSI APR power
    I so need to find a sponsor for my APR, dying to unleash my TSI, wonder on the S/C how tail happy it will be. ANY takers

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