[T3] Reconstruction begins

Max Welton max.welton.2k at gmail.com
Tue Sep 8 18:08:57 PDT 2020

Funny you should ask.

My old 68 square was my daily driver (and mule) when I was working the bugs
out of the Megasquirt system.

I'm using the front beam from the 68. At one point I bought front bearings
only to find that they were the wrong ones. So it's a late 68 front end.

I'm also using the subframe and rear suspension from the 68. That means I
have the brace under the rear torsion housing and the larger diameter


On Tue, Sep 8, 2020 at 3:22 PM Jim Adney <jadney at vwtype3.org> wrote:

> On 6 Sep 2020 at 17:52, Max Welton wrote:
> > The car is a 67. We're making a variety of updates while it's all apart.
> Would you be making a steering knuckle upgrade, too? The inner wheel
> bearing ID increased by 2 mm in mid '68, making that stub axle
> significantly
> stronger and stiffer.
> This upgrade takes the same pads, rotor, backing plate, outer wheel
> bearings, and calipers. It would require new outer tie rod ends and inner
> wheel bearings. Does anyone know if the threads in the tie rod itself
> remain
> the same? (Tie rod ends changed at the end of '67. The tapered end
> changed, but I don't know about the threaded end. I just measured a late
> tie
> rod end thread: 14 mm dia.)
> Or you could go for the latest knuckles, 71.8-73, and get the larger
> calipers.
> There's not much advantage to that, however, since the pistons are the
> same diameter. The advantage is a larger pad, which probably reduces fade,
> something you'll never notice on the street, but it should give you longer
> pad
> life. So not much of a big deal.
> This upgrade requires new pads, rotor, backing plate, outer tie rod ends,
> inner wheel bearings, and calipers. (Same question about the tie rod ends
> applies.)
> I think I have good used examples of both versions of steering knuckles
> and
> calipers, as well as a lot of the other parts, available.
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
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