Ok, by not touching the caliper or the carrier I meant modifying the hole to
be oblong etc. If there is enough meat and you drill a standard M14 hole,
that would be OK. I meant grinding around in the M12 hole until it gets
egg-formed and the Vanagon bolts fit through, that is dangerous!

Raimund

----- Original Message -----
From: "David Marshall" <vanagon@volkswagen.org>
To: "Chris DeLong" <green536@HOTMAIL.COM>; <vanagon@GERRY.VANAGON.COM>;
<rfeussner@GMX.DE>
Sent: Thursday, February 12, 2004 8:09 PM
Subject: RE: Audi 100/200 callipers PHOTOS

> Raimund, Chris and the Vanagon mailing list...
>
> Please see http://www.syncro.ca/tech/brakes/AudiBrakes.jpg for a few snap
> shots of my friend's Audi 100 > Syncro brake design.
>
> He has been running them for well over a year in his Syncro and has
reported
> no problems with them.
>
> Now I am hearing that one should not touch the holes in the calliper,
well,
> the calliper is unchanged with this design, only the carrier.  The M12
hole
> is made into an M14 and the center of the hold is slightly shifted - still
> round, not oblong.  With the work done, the side wall of the original M12
> hole is 'just' still present on the new M14 hole.  The only additional
> working to the calliper is the recess for the Allen style fastener so
there
> would be enough clearance for the disc.
>
> Supposedly the shop that did the work for this fellow does a lot of race
> vehicles and they feel that there is more than enough meat there.  If you
> look at RPI Equipped and other places with their Wilwood braking system
they
> are using tiny T6 aluminium spacers for their setups.  If the same
material
> used for beer cans will stop a vehicle then the amount of cast iron here
> (which is more than the amount of aluminium in the Wilwood setup) should
> work just fine - right!?
>
> So, at this point I have yet to do anything with my brake setup.  Of
course,
> I want to be safe about everything.  What do you think of the design?  How
> would you build an adapter seeing how the two studs are basically on top
of
> each other?
>
> Thanks!
>
>
> David Marshall
>
> Fast Forward Automotive Inc.
> 4356 Quesnel-Hixon Road
> Quesnel BC Canada  V2J 6Z3
>
> http://www.fastforward.ca    mailto:sales@fastforward.ca
> Phone: (250) 992 7775        FAX: (250) 992 1160
>
> - Vanagon Accessories and Engine Conversions
> - Vanagon, Transporter and Iltis Sales and Importation
> - European Lighting for most Volkswagen models
>
>
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>