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Upgrades (non TDI Engine related) The place of handling, lighting and other upgrades that do not relate to the performance or economy of the TDI engine. In other words upgrades to your TDI that don't fit into TDI Fuel Economy & TDI Engine Enhancements.Please note the Performance Disclaimer

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Old January 19th, 2018, 14:22   #16
efeballi
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Join Date: Dec 2015
Location: Istanbul, Turkey
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The diff reduction ratio turned out to be a bigger problem than I expected. The motors that are effective with the 1.6 ratio are way too big to fit in the middle tunnel. I'm forced to use a reduction gear or to fit another rear diff with a higher reduction ratio.
The reducers in the market are really expensive for the power and torque transient involved and there's actually few places under the car where I can safely mount one. My best bet is thus to find a diff that can be affixed to the subframe. People have modified their rear diffs to have different ratios but the 4Motion rear diff really does not allow any larger gear to be fitted in it, thus making this type of mod impossible.
I'm leaning towards fitting a Quattro rear diff to the subframe but I've no idea how to actually fix it to the subframe. 4Motion rear diff was nice in the way that it had a clutch so I could decouple the electric drive when I wanted to. Oh well.
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