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-   -   torsen help (https://www.miataturbo.net/general-miata-chat-9/torsen-help-55686/)

bayside blue 02-16-2011 06:00 PM

torsen help
 
i have a torsen rear end.. atleast it should be lol

i noticed last night when i took it out for a spin for the first time in 5 months and i noticed 1 wheel would spin for a couple seconds then the other would kick in immediately and both would spin till the rpms droped.

isnt the torsen supposed to not allow one wheel to spin alone? or is mine working right

fooger03 02-16-2011 08:05 PM

details on surface that spinning wheel was spinning on???

bayside blue 02-16-2011 08:23 PM


Originally Posted by fooger03 (Post 690801)
details on surface that spinning wheel was spinning on???

regular pavement... maybe a little bit of dirt/salt/sand but not much

fooger03 02-16-2011 08:28 PM

what trim level is your car?

bayside blue 02-16-2011 08:32 PM

its a 97 montego blue with every option

fooger03 02-16-2011 08:37 PM

you sure someone didn't "retro" fit a viscous back there? If you have a torsen it wont mysteriously "not work" - it either works, or your car doesn't drive. Find a parking lot, put car in first, crank steering wheel all the way to the left, and give the car a good hammering briefly. If the back end wants to run away, you've got a torsen, if it jumps briefly but doesn't run away on you, then sorry...

hustler 02-16-2011 08:39 PM

If a wheel is unloaded, it acts like an open diff.

Smustang1234 02-16-2011 08:39 PM

In a staight line or corner?

mcarp22 02-16-2011 09:39 PM


Originally Posted by hustler (Post 690829)
If a wheel is unloaded, it acts like an open diff.

When one tire is unloaded, it will spin; you can't explain that!

bayside blue 02-16-2011 10:01 PM


Originally Posted by fooger03 (Post 690828)
you sure someone didn't "retro" fit a viscous back there? If you have a torsen it wont mysteriously "not work" - it either works, or your car doesn't drive. Find a parking lot, put car in first, crank steering wheel all the way to the left, and give the car a good hammering briefly. If the back end wants to run away, you've got a torsen, if it jumps briefly but doesn't run away on you, then sorry...

i dont even have to turn the wheel the whole way and the rear end comes out from under me.

when i had the "problem" i was pulling out of a gas station going right. my drivers side was spining but the passenger wasnt. i have OK tires but i can kick the rear end out with little effort. and im only at 5psi

fooger03 02-17-2011 01:02 AM

how big of a dip was the pull-out into the road

$1 says your wheel actually left the ground while the other 3 wheels were on the ground (if you were turning right, it was your driver's side tire that spun) you were actually going pretty slow when it happened, possibly stopped, then tried to pull out into dense traffic?

if this is the case, your torsen (which you've clearly suggested it is), was acting properly

Smustang1234 02-17-2011 11:03 AM

I too think it was working right. My understanding is that it is a TQ biased differential, not totally locked. When you are in a corner one tire has to spin some as outside tire travels further. If it was a locker you would really scuff the inside tire. David

bayside blue 02-17-2011 03:35 PM


Originally Posted by fooger03 (Post 690947)
how big of a dip was the pull-out into the road

$1 says your wheel actually left the ground while the other 3 wheels were on the ground (if you were turning right, it was your driver's side tire that spun) you were actually going pretty slow when it happened, possibly stopped, then tried to pull out into dense traffic?

if this is the case, your torsen (which you've clearly suggested it is), was acting properly

i never noticed the dip there since i dont usually go to that exit of the parking lot but im going to say thats exactly what happened.

i always thought the torsen locked up once a wheel slipped non of this one wheel peel crap before it grabs lol

hustler 02-17-2011 05:12 PM


Originally Posted by mcarp22 (Post 690853)
When one tire is unloaded, it will spin; you can't explain that!

Nor can you provide anything to this forum indicating slight genetic diversity.


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