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Torsen differential technically information required!

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  • Torsen differential technically information required!

    I'm looking at fitting a Torsen centre differential from an Audi gearbox into a different gearbox.

    Has anyone looked at swapping these kind of things over before?

    The system (gearbox, front diff etc) that I'm wanting to use is originally an ECU controlled friction disc type centre differential. I don't want to use any of that system (I can't as it's not going to be in the OE vehicle) and I'd like to swap in a Torsen diff to make it Quattro.

    I'd even consider an open Quattro differential if that's an easier fit.

    Questions...

    1) Does anyone have technical drawings, measurements, specifications for the various Audi Quattro centre differentials?

    2) How is the amount of power/torque sent to each axle controlled in a Torsen differential? Is it down to the angle of the cut of the scroll teeth?

    3) Do the Torsen differentials give a different lock up under braking that under acceleration?

    4) What is the maximum tolerance between wheel/tyre diameters that the Quattro Torsen setup will accept without causing issues? I've read somewhere that it's 3% of wheel/tyre overall diameter?

    This is fairly nerdy stuff, sorry for the in-depth post

    MG
    Last edited by RS2; 20 February 2017, 22:32.
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