Installing an SE Torsen diff into SP

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green_comet
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Installing an SE Torsen diff into SP

Postby green_comet » Sun Mar 30, 2014 12:00 am

Hey guys,

Just a few quick questions.

I'm looking at picking up an SE torsen diff and housing for my SP, I just wanted to know if others have done this install (even on a standard NB8B) and if they could offer any info on what's involved.

Doing some research on here, it seems that the SE's torsen and the SP's open diff are the same ratio at 3.63, can anyone confirm this?

After doing some more reading here, it seems that the SE and SP axles are a different spline count. 28 splines on the SE's axles and 26 on the SP and standard NB8B, can anyone confirm this?

If this is the case, is there any way to use my standard SP axles for the install, or would I need to source SE axles and swap them over before i could install the diff/housing?

Any help is very much appreciated.

Cheers
Ryan
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Okibi
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Re: Installing an SE Torsen diff into SP

Postby Okibi » Sun Mar 30, 2014 1:16 am

Grab the axles as well.

Aussie SEs had the same ratio as your SP

http://www.mx5cartalk.com/SP_SE_Comparison/
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de Bounce
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Re: Installing an SE Torsen diff into SP

Postby de Bounce » Sun Mar 30, 2014 6:56 am

You WILL need to use the SE axles
When you (eventually) remove the axles from the uprights/hubs you also need to discard the dust seals (not used on the SE)
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davekmoore
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Re: Installing an SE Torsen diff into SP

Postby davekmoore » Sun Mar 30, 2014 9:24 am

Over 9 hours and no complaints yet about putting SE bits in a SP?
UK since return: Standard NC2 (horrid), C200K, ND2 BBR, NC2 BBR200 (loved it), NC BBR300 (better than BARMY), V-Special, turbo NB8B (my 84th car)
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green_comet
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Re: Installing an SE Torsen diff into SP

Postby green_comet » Sun Mar 30, 2014 12:25 pm

Sweet as guys, thanks for the help. Everything is sorted. :beer:
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Re: Installing an SE Torsen diff into SP

Postby NitroDann » Sun Mar 30, 2014 3:47 pm

davekmoore wrote:Over 9 hours and no complaints yet about putting SE bits in a SP?


Glorified turbo nb8as lol.

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