Will a S2 diff go in a S1 box?

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Aug 1, 2005 | 07:09 PM

James

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From: South West

Will a S2 diff go in a S1 box?

As title, i seem to remember the bolt pattern is different but juts wanted to check?

Aug 1, 2005 | 07:33 PM

S1 JOHN

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From: Blackpool

they dont fit mate there is different amount of teeth between the two my mate put one in it screamed like crazy

Aug 1, 2005 | 09:43 PM

James

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From: South West

yeah but is it possible to swap the crownwheels?

Aug 2, 2005 | 06:56 AM

JesseT

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From: Finland

The layshaft and crown wheel should be a pair as ford has used so many different ratios and toothsizes. The S1 crownwheel to diff attachement is by 6 bolt where as the S2 has 8 bolts. This means that we have a problem. You can take the crown wheel and drill four new holes and tap them to M10x1, but I warn you, that material is pretty hard. Better find a different diff or a matching layshaft/crownwheel combination.