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-   -   6 speed box and R160 rear diff (https://www.scoobynet.com/drivetrain-11/1016786-6-speed-box-and-r160-rear-diff.html)

BLU 13 December 2014 05:27 PM

6 speed box and R160 rear diff
 
Right might seem like an odd question but I am right in saying the R160 rear diff as fitted to Bug WRXs is the right ratio to work with a UK spec 6 speed box?

Reason I ask is I'm thinking of fitting a 6 speed box to my Bug WRX project but don't want the hassle of hub swaps and the need to faff about with the brakes.

I'm not after huge power so the smaller diff will be fine.

BLU 14 December 2014 01:40 PM

Anyone? :)

ScottyPPP 14 December 2014 02:13 PM

It'll be a 3.54 diff, which won't work.

ditchmyster 14 December 2014 04:10 PM

Strange, I was told by banny that uk 6 speed would be a match for my 54 blob diff.

BLU 14 December 2014 04:28 PM

Thats what I heard....... can't remember where I read it now though!!

BLU 14 December 2014 04:44 PM

Right done a bit of digging and it seems the UK 6 speed uses a 3.54 R180 rear diff. The UK WRX runs a 3.54 R160 rear diff so that would work with the box, yeah?? :)

veerinder9 14 December 2014 09:56 PM


Originally Posted by BLU (Post 11581903)
Right done a bit of digging and it seems the UK 6 speed uses a 3.54 R180 rear diff. The UK WRX runs a 3.54 R160 rear diff so that would work with the box, yeah?? :)

Yes that is right :)

mechanix 15 December 2014 12:35 AM


Originally Posted by BLU (Post 11581183)
Right might seem like an odd question but I am right in saying the R160 rear diff as fitted to Bug WRXs is the right ratio to work with a UK spec 6 speed box?

Reason I ask is I'm thinking of fitting a 6 speed box to my Bug WRX project but don't want the hassle of hub swaps and the need to faff about with the brakes.

I'm not after huge power so the smaller diff will be fine.

Yes u.k 6 speed box will fit 5 speed uk rear diff. You need a bug six speed propshaft and gear linkage plus rubber box mount.


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