What you're discussing here is Pin Point Lubrication.
The actual contact area of the drive balls is minuscule in comparison to
a wheel bearing, but you've got a lot of lubrication flow in a CV joint.
Most CV's that I've found to be defective were so because the grease
hardened and didn't reflow, hence the need to re-lubed about once a year
and check your CV boots often.
The CV will not hold 3 oz of grease, the rest just has to be packed into
the cups on the outboard end and mother nature distributes and
redistributes it with every RPM and Bump in the road.

Stan

On Thu, 27 Jun 2002 11:57:00 -0400 David Beierl <dbeierl@ATTGLOBAL.NET>
writes:
> At 11:43 AM 6/27/2002, gary hradek wrote:
> >David,
> >      I do not think they add lead to the cv grease.
> >The most important role of the grease is to lubricate.
> >CV grease is redesigned wheelbearing grease that will
> >handle the higher temperatures by the addition of
> >sulfur "I think".   The heat is from the disc brakes.
> >Wheeling bearing grease could handle the heat from the
>
> Per the two MSDS (material safety data sheets) I could quickly
> find,
> Castrol CV-joint grease contains Molybdenum Disulfide, and Wurth
> CV-joint
> grease contains "lead salt(2+)"
>
> CV joint service is a very severe service compared to wheel-bearing
> service, with special requirements for sliding (plunging) motions.
> I don't
> think that any grease mfr. would suggest you use regular grease in a
> CV...
>
> cheers
> david
>
>
> --
> David Beierl - dbeierl@attglobal.net
>

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