Lotus Elan

Diff

PostPost by: micky p » Thu May 15, 2014 8:09 am

Does any one know where the Diff was from on a 1969 S4 Elan thinking of getting an exchange
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PostPost by: Elanintheforest » Thu May 15, 2014 9:18 am

The differential is from Ford, called the 'English' differential, and was fitted to the Anglia, Classic, Cortina, Corsair, Escort and Capri. So only a few million were made!

Make sure you get the ratio you want. 3.77 :1 was the common fitting on the Elan and Plus 2, with 3.55 used on many of the S/E models, which gave slightly reduced revs for 'cruising'. Many of the smaller model Fords used a higher (numerical) ratio, with 3.9:1 being quite common. 3.54: 1 was fitted to many of the 'sporting' Escorts and are also quite easy to get hold of, and as quite a few Plus 2 cars have been broken for spares, there are quite a few 3.77 diffs around.

These guys know their stuff if you want one re-built, or ask Sue Miller / Paul Matty if they do an exchange service.

http://www.arrowautoengineering.co.uk/page4.htm

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PostPost by: nomad » Sat May 17, 2014 1:17 pm

Would anyone know if the English Ford diff made it into any of the cars sold in the U.S. and, if so, what ratio's?


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PostPost by: Vic » Sat May 17, 2014 1:57 pm

Kurt,

I'm a junk yard scrounger (and owner of many Lotus). The only U.S. delivered donors for the diff are Ford Cortina and Anglia's, which used 3.9, 4.125, 4.44. I have Hollander interchange manuals and can provide specifics as to which model had which ratio, if needed. Ford Capri's in the U.S., even the 1600 had a different axle. Pinto 1600 was also different. If you're looking for something beyond a Ford/Lotus housing, I can provide advice of what can be made to fit (without fiberglass modifications).

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PostPost by: nomad » Sun May 18, 2014 3:42 am

Vic, I'm a junk yard scrounger myself though there aren't many left with the good old stuff that I like in these part's! I have some friends in Colorado [several] and might be bothering you for a visit later this summer. Won't be driving my Elan though. :cry:

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