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top speed nb with diff diffs?

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Old Sep 16, 2012 | 12:20 PM
  #1  
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Default top speed nb with diff diffs?

While I really enjoy the accelleration of my 4.30 torsen in the '99, I am really getting tired of buzzing 5k+ at 100 mph in 5th.

I know this has been answered before, but how much would a 4.10, 3.9, 3.63 change my top speed?
Old Sep 16, 2012 | 01:17 PM
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Flyin' Miata : Technical info : Gearing calculator
Old Sep 16, 2012 | 01:53 PM
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If you want to use your own brain a bit is quite simple.

At a certain same speed and all else being equal
4.30 4300 rpm
4.10 4100 rpm
3.90 3900 rpm
3.636 3636rpm

See the pattern and logic?
Old Sep 16, 2012 | 05:56 PM
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This of any help?
Old Sep 16, 2012 | 07:38 PM
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Anyone looking for a 4.30 torsen complete? Trade?
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