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The mkiv Supra Owners Club

US v JDM Diff Ratios, Benefits & Disadvantages?


a98pmalcolm

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Hey all.

 

So some have seen my diff went just for xmas, and I have been on the hunt for one, no luck so I ordered an Os Giken and will rebuild it at work, hopefully.

 

I have a fear that my pinion and drive gear could be gone. The issues is if it has the JDM pinion and drive gear are no longer available, however it has come to my attention that the US ones are.

 

The ratios are:

 

JDM: 3.266

USA: 3.133

 

What differences will I notice by putting on a US ratio to my JDM diff.

 

Thanks

Paul

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The us and uk spec share the same part numbers. The pinion and gear are no longer available as its discontinued but the UK/USA one is.. which is 3.133?

 

According to toyodiy.com, the UK 6 speed has the 3.266 ratio diff.

 

http://www.toyodiy.com/parts/p_E_199310_TOYOTA_SUPRA_JZA80R-ALFVZW_4101.html

 

Also this very accurate article on the USA Supra site says it is also 3.266.

 

http://www.supraforums.com/forum/showthread.php?608545-JZA80-Differential-Info!

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