Diff ratios

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Has anyone put a 3.36 ratio diff in a V8S ? What was it like ?

I bought a replacement diff to keep my car running while I try to justify to myself having a Quaife unit. The seondhand one I picked up is an LSD but 3.36 ratio rather than the standard 3.64 for a V8S. Do I put it in ?

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phillpot said:

gifdy said:

Do I put it in ?

Yes, but it will obviously throw your speedo out.

Yep, will need to use my satnav while I have this in. Did any of the S Series use this version of the diff ? I thought the S1-4 used this ratio but not with the LSD ?

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Think I'll try it first - I assume it will give me lower revs at cruising speed which may be useful. If I don't like it then I'd be interested in the swap.

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phillpot said:

gifdy said:

Has anyone put a 3.36 ratio diff in a V8S ?

According to the Steve Heath book (which is not infallible) all V6's are3.64 and V8's are 3.36

Interesting. According to the tab, my original was a 3.64. I'll check it tomorrow, maybe the tab is wrong ?

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Top Gear TVR said:

If you want the full gen on Ford Sierra / Granny diffs - this is the best I found before my swap to LSD

http://www.super7thheaven.co.uk/Sierra_Rear_Differ...

Thanks for this - excellent resource.

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DamianS3 said:

Did you get this fitted? How's the motorway rpm? If you don't like it...

Lols worth a shot..

Damian

I was reading your other thread and just debating with myself whether to offer it or not. I'm not convinced yet - other issues have kept the car off the road so I've not really had a chance to fully test it out. I'm going to hang onto both for a while, but there is likely to be one of them up for grabs in the Spring.