Ford Cosworth rear Diff in Fiat 124 Spider

Non-engine, eg: aerodynamics, gearboxes, brakes, suspension
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Posts: 7
Joined: January 6th, 2012, 8:50 pm
Location: Bochum, Germany

Ford Cosworth rear Diff in Fiat 124 Spider

Post by Sealord69 » June 30th, 2014, 1:53 pm

Hey Guys,

I hope anyone can help me. I would like to fit a Cossie Rear LSD Diff in my Spider. I allready measured all Abarth rear transaxle parts and made production drawings of it.
But I need a little help from one of you guys that has an original Abarth rear diff to send me some data. So that I can make necessary changes to the diff bracket.

Can anyone of you please send me the two dimensions (RED) that are marked with XX and XXX.


Abarth Diff bracket cossi.jpg
Abarth Diff bracket cossi.jpg (77.88 KiB) Viewed 5181 times
Abarth Diff Halter cossi2-Model.jpg
Draft of the bracket
Abarth Diff Halter cossi2-Model.jpg (35.2 KiB) Viewed 5181 times

Posts: 65
Joined: February 11th, 2013, 6:37 pm
Location: Cape Town. South Africa

Re: Ford Cosworth rear Diff in Fiat 124 Spider

Post by FiatRally » January 21st, 2015, 5:06 pm

Wow this looks like a very nice project!

cannot believe that nobody has commented on this in all this time.

I am sure there are a few people that have Abarth diffs that were used in 124 and 131s that can take the 2 measurements and supply this data????

This will also help others to use other diffs and make them fit properly!!

Good luck with your conversion build Nils


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