Changing differential ratio

Technical advice Q&A
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Mikael B
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Joined: Wed Jan 07, 2015 2:45 pm
Location: Gothenburg/Sweden

#1 Changing differential ratio

Post by Mikael B » Thu Oct 25, 2018 9:16 am

Considering changing my differential ratio from 3.54 to 3.07. Found this on eBay anyone have any experience of these crown wheel & pinion. ... 2448678059
Mikael Berg
S1 OTS-66 Carmen Red; S1.5 2+2-68 Opalescent Maroon

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Great Britain

#2 Re: Changing differential ratio

Post by Wilder » Sun Nov 11, 2018 11:16 pm

Yes, assuming you have a US spec S2 rather than a 3.54 S1 car, then this is only for the S1 E type....
I bought this exact one for my S2 from this place about 6 weeks ago, and it is not a match..
If you want one for the S2, then contact Alan at AJS engineering in the UK.
He has the correct replacement 3.07 unit, which is what I bought.
I hunted high and low, and this guy was the only one who had the correct item.
They are quality, and around £650

AJS Engineering Services
Tel: 07831 163 158

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