Re: alfa-digest V8 #159 - Limited Slip Differential

[AlfaNeely@domain.elided]

       Sorry, but that will not work on an Alfa limited slip.  The clutches 
in the Alfa LSD are loose enough that you cannot turn one wheel and have the 
other turn the same direction.  You certainly cannot do that on any rear end 
with 10,000 or more miles on it.
       If you shim the Alfa rear end really tight, then both wheels will turn 
the same direction for a while.  The rear end will eventually wear to the 
point where you cannot tell by turning the wheels.
       The Alfa rear end does have some ramps so that the LSD will still work 
when power is applied.  The ramps spread the spacers that the spiders turn in 
and tighten the clutches.  Or they do in theory.  The rears still work better 
if shimmed relatively tight.

Ciao,
Russ Neely
Oklahoma City


In a message dated 10/22/2001 1:54:37 PM Central Daylight Time, 
owner-alfa-digest@domain.elided writes:


> 
> Date: Sun, 21 Oct 2001 19:19:18 -0700
> From: VC <ho455@domain.elided>
> Subject: Re: alfa-digest V8 #155
> 
> >Date: Fri, 19 Oct 2001 21:23:53 -0400
> >From: "John Hertzman" <johnhertzman@domain.elided>
> >Subject: oops (admitting a limited slip of the other sort)
> 
> One easy way to check for a limited slip rear end is if you can jack the
> car up turn one of the wheels.  If the opposite wheel turns the same
> direction the rear end is a limited slip rear end.  If they turn in
> opposite directions the differantal is open.  This will work on most cars.
> If the other wheel doesn't move be afraid.  Or if the wheels act like they
> have zero play between them the spider gears may have been welded together
> by someone.  You should be able to turn one wheel back and forth some.
> There are also ways of testing a LSD with a torque wrench to see if it is
> working properly 

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