Final Drive Gear Swap

[jachien]

I would be up for that 4.38 FD with the extended rev limiters on some of these tune files, would put the B8.5 in some serious revs at the end of the 1/4 mile at dual-pulley levels.

I've looked on eBay to try and find the rear end and what seems to be it, looks different than ours. I think if you want to do it, you'll need: rear diff, rear mounting plate, axles, and possibly the hub/knuckle.

That's by no means definitive, just based on visual observation. The rear track on the rs5 is a bit wider. But I'm not sure if that extra track width is due to different width wheels. Easy way might be just to grab the whole rear end off an rs5. Subframe and all and all.

Edit: I think the different pumpkins I've seen are non-sports diff vs sports diff. Since rs5 comes standard with sports diff, it seems to be a pretty close swap with those that also have sports diff equipped. Those with sports diff will have bigger output shaft housings on the sides, which house the torque vectoring components.

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