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On 16 Sep 2004 at 0:01, fess wrote: > On Sep 15, 2004, at 7:33 PM, Jim Adney wrote: > > The left tube is 361 501 105A (has white paint dot) > > and the right one is a 361 501 106A. > > these parts were just used on squarebacks that got the Z-bar > are both sides are symmetric? ie, can I use a right side tube on the > left? No, that's why they have different part numbers. > > 3) grind off both tabs, replace the retainer plate, and remove the > > z-bar. > > So, what exactly does this z-bar do? I still don't quite get it, even > from the posts so far. What am I trading off if I get rid of it. It gives you a stiffer spring rate and greater load capacity once the rear end has been loaded down. In spite of what the posts on this subject, I can't see that it would help handling other than in stiffening the rear suspension. The problem is that it works exactly the opposite of a sway bar. With a heavy load, so that it is in effect, when you take a corner the body leans to the outside. This Z-bar would transfer some weight to the inside of the car, increasing the body lean. A sway bar would remove some weight from the inside wheel to reduce the lean. Except for giving the ability to carry heavier loads under rather tranquil circumstances, I don't see the point. > So, I'm basically looking for a 67-68 type III transaxle, or part > thereof. And possibly a '66. > I still wish I understood what could happen to this plate to cause it to > leak. I suspect it was installed with too few gaskets, so that it was under so much stress that its welds broke. The gaskets are used as shims, to get just the right amount of preload on these parts. If you didn't realize this and just threw in a single gasket, like any other ordinary gasket, then you'd probably be in trouble. If you end up just fixing one side of this transmission, I would also CHECK what's there on the other side. It's probably under stress there, too. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~ Shameless link for search engines: http://listarchive.type3.org ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~