Date: Wed, 12 Sep 2007 23:01:02 -0700
Reply-To: Reinhard Vehring <rvehring@YAHOO.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Reinhard Vehring <rvehring@YAHOO.COM>
Subject: Re: 924 cv joints
In-Reply-To: <d338c9960709120624j5393ec2ahbf4f843f08eed867@mail.gmail.com>
Content-Type: text/plain; charset=iso-8859-1
Joel, Mike,
thanks for the info. That helped a lot. I'm still
puzzled as to why the Porsche joint should have more
articulation. It seems to me that with the smaller
balls the 924 joint would wear faster, especially at
larger angles. It also seems that the cage binds
against the inner carrier at full extension. Maybe I
put it together the wrong way - it came disassembled.
Reinhard
--- Joel VanderKwaak <joelvanderkwaak@gmail.com>
wrote:
> Not sure if this answers your question, but several
> cvs are compared here:
>
>
http://www.blindchickenracing.com/How_to/CVJoints_Axles/cv_joints_101.htm
>
> On 9/11/07, Reinhard Vehring <rvehring@yahoo.com>
> wrote:
> >
> > Dear listees,
> > I bought a Porsche 924 cv joint, because they
> > supposedly have more articulation than the vanagon
> cv
> > joints (22 vs 17 deg if I remember right) I have
> them
> > both sitting in front of me now. I'm surprised how
> > similar they are. The biggest difference is that
> the
> > balls in the Porsche joint are smaller. So here is
> the
> > question for the experts: What determines the
> maximum
> > running angle of a cv joint? BTW does anyone know
> > where that info about articulation (22 vs 17 deg)
> > comes from. I read it on the list but can't find
> it
> > anymore. I get the suspicion that the Porsche
> joint
> > isn't any stronger, maybe even the opposite.
> > Take care,
> > Reinhard
> >
> >
At 01:03 AM 9/12/2007, Reinhard Vehring wrote...
>I bought a Porsche 924 cv joint...I'm surprised how
>similar they are. The biggest difference is that the
>balls in the Porsche joint are smaller.
According to http://www.924.org/parts/parts.htm , 924
CV joints _are_
bus joints (113 501 331D), but the p/n given is for a
Type 4 joint. I
think they're confused. According to
http://www.doghouserepair.com/mall/description.php?ItemID=7824
, that
part number uses 0.6875" diameter balls.
VW changed the balls in the Bus/Vanagon CV joints from
0.750" (19.04mm)
to 20mm with p/n 251 598 101 in 12/1984 (see tech
bulletin 87-01 @
http://www.vanagonparts.com/tech_bulletins.html ) VW
no longer lists
the .750 joint, it is the 20mm joint that VW now lists
as a replacement
for the older breadloaves and Vanagons, too.
>running angle of a cv joint? BTW does anyone know
>where that info about articulation (22 vs 17 deg)
>comes from. I read it on the list but can't find it
>anymore.
Ratwell (
http://www.ratwell.com/technical/FAQ/FAQContent.html )
says
this:
"Here is a list of maximum angles that the hub of the
joint is allowed
to move compared to other models:
"bus, 18 degrees
"411, 22 degrees
"Porsche 930, 28 degrees"
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