1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Anyone know much about Miata diffs?

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Old Aug 20, 2004 | 01:10 AM
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Pele's Avatar
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Anyone know much about Miata diffs?

Every pic I've seen on figuring out whether it's a Torsen or not says if you can see straight through, it's a torsen. If you see a bar, it's not...

I see neither... I see a ring in there... Look... (1999 Miata, 5 speed, No ABS.)

EDIT:Removed pics, not 56k Friendly. Click link and look at pics.
http://www.3geeks.org/pele/miata/

versus the pics at the bottom of this page:
http://members.aol.com/solomiata/MiataVLSD.html

Now I'm wondering if the scrapper ripped me off. Well, at least I have 4.30:1 gears... I scratched a mark in the driveshaft flange and on the ring gear... 4 and about a third on the driveshaft makes one on the ring.

Last edited by Pele; Aug 20, 2004 at 01:19 AM.
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Old Aug 20, 2004 | 06:55 AM
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Rx7carl's Avatar
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Cant you just look at the unit and see the gears?
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Old Aug 20, 2004 | 08:22 AM
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if anythin it looks like it has ni bar... but it looks totally different... so i dunno
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Old Aug 20, 2004 | 09:26 AM
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Originally Posted by Rx7carl
Cant you just look at the unit and see the gears?
I can see inside, but there's no big window like this one:

http://members.aol.com/solomiata/Torsen-T1.jpg

I see 4 pairs of gears as I rotate the ring gear. In each pair, one points left, one points right (Parallel to the axles.) towards the center, there's one or two more worm like gears.... Can't tell really as it's hard to see that far in.

It doesn't look like what SoloMiata shows to be a Torsen, but then again, I don't see a + shaped assembly for spider gears either.
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Old Aug 20, 2004 | 10:14 AM
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From: Behind a workbench, repairing FC Electronics.
Talking

I think I got it.

http://forum.miata.net/cgi-bin/ultim...=019995#000005
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