definitely not 8mm diamter thread, that's only 5/16ths of an inch, way to9
small.

it's 10 mm or 12mm diameter I suspect,
and there are variations from trans to trans, year to year.
for example, the shift knob thread is different between 82 diesel vanagon
with 4 speed and 83 with 5 speed.

----- Original Message -----
From: "David Beierl" <dbeierl@ATTGLOBAL.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, August 16, 2010 12:18 PM
Subject: Re: Gear shifter knob thread and pitch question? (link for pics)

> At 09:04 AM 8/16/2010 Monday, T Collins wrote:
>>Does anyone know the pitch and thread for the gearshifter knob? I have an
>
> I haven't got one anymore, but I suspect it's M8x1.0.  Check it with
> a regular M8 bolt from the van -- that should be M8x1.25; so if the
> diameter matches and the threads are finer it should be M8x1; if
> diameter and threads both match it's M8x1.25.  I'd be surprised if it
> was a tapered thread, though that's not impossible.  I wouldn't get
> into this, but since no one else has answered...
>
> I have doorknobs like that in my house, and (at least the ones I
> have) wouldn't be very comfortable to push from the side, as you
> would be doing with a shifter.  You've probably thought of this
> already, but just in case.
>
> Yours,
> David