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Old 08-19-2014, 01:16 PM   #1
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Default Ring and Pinion, what will work on a Torsen II?

I have an 04 Mazdaspeed with a 4.1 Torsen II.

I want to change the ring and pinion to a 3.63 .

I went on the search sites, like car-part.com and others for a Mazda 626 Diff from (80-82). No dice.. or about the same as new gears.. (550)

I saw this chart.. what other cars can I get the ring and pinion out of that are compatible?
Solomiata : Transmission : Ring and pinion tooth counts

Getting close to 3.63 (like 3.7, 3.727) would be fine too

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Old 08-21-2014, 09:21 PM   #2
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Here ya go. Comes with the speedo gear, which you will need.

Ring & Pinion | Mazda 1.8 Performance Parts

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Old 08-21-2014, 10:43 PM   #3
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you can order the parts direct from mazda, they were on the austrailian 01+ cars.
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