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-   -   Why is only one wheel spinning? (https://www.nopistons.com/2nd-generation-specific-17/why-only-one-wheel-spinning-3372/)

13BAce 06-29-2002 08:47 AM


Originally Posted by OKIERX-7' date='Jun 28 2002, 04:21 PM
I've never heard of any aftermarket diff. for the FC. Vosko, how much you want for the GTUs LSD?

Cusco, KAAZ, Mazdaspeed.

13BAce 06-29-2002 08:49 AM


Originally Posted by isamu' date='Jun 28 2002, 12:35 PM
So when you spin the tires does one spin the other way, or both in the same direction?

My wheels spin in opposite directions. I have LSD.

KFelkner02 07-11-2002 11:18 PM

Hi, I am new to this board, and to RX7's. But I saw that you guys said that when jacked up, that both wheels should turn, but one in the opposite direction. I have an 87 N/A, and when I turn one wheel, the other does not turn at all. And when it is in reverse, the right wheel doesn't turn at all, when the car is jacked up. I was having a problem with the tranny, or something along the line so this would help me out greatly.

dac 07-11-2002 11:32 PM

Didn't Mazda first use a Clutch type LSD and then switch to a TORSEN?

Bugzuki 07-12-2002 12:39 AM

The object of the LSD rear end is to make it so that both wheel turn at the same speed most of the time. If you have the rearend jacked up and the tranny out of gear with a LSD both wheel should spin the same direction. If it is in gear it will probably be harder to turn and one might go backwards, this is the action that you get while cornering. If you do not have LSD then when the rearend is lifted both wheels will turn opposite all the time. It is possible to leave to tracks with no LSD it just high RPM Starts usually. I do not know exactly what it means if you turn one and the other does not spin, unless this is happening with the tranny engaged.

dysthymia 07-12-2002 02:20 AM


Originally Posted by dac' date='Jul 11 2002, 10:32 PM
Didn't Mazda first use a Clutch type LSD and then switch to a TORSEN?

S4 LSD = 2-way mechanical/clutch

S5 LSD = viscous

KFelkner02 07-12-2002 10:59 AM

[QUOTE]unless this is happening with the tranny engaged.

The transmission was not ingaged when I was turning the one wheel, and the other wheel did not turn at all.

winger 07-12-2002 11:29 AM

it seemed that all of you who only has 1 wheel spinning didnt put your car in gear while trying....give it another shot....



mine is not an LSD....CRAP!

13BAce 07-12-2002 11:39 AM


Originally Posted by dac' date='Jul 12 2002, 02:32 AM
Didn't Mazda first use a Clutch type LSD and then switch to a TORSEN?

3rd gen's have a Torsen.

pengaru 07-12-2002 02:17 PM

I picked up a diff from the junkyard in an 91 gxl, and it turned out to be an open diff. Ordered a LSD from mazda dismantling a month ago and they sent me another open diff. I just yesterday recieved finally a LSD unit from mazda dismantling, at least it looks like a pretty new unit, no rust or damage.

Not sure if I should rebuild it before putting it in the car or just slap it in and start doing more 2nd gear donuts https://www.nopistons.com/forums/pub...IR#>/smile.png


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