Re: [Amc-list] disk brake hack

[Tom Jennings <tomj@xxxxxxx>]

On Sat, 2007-07-21 at 06:42 +0000, Wrambler242@xxxxxxxxxxx wrote:
> I looked at WPS.com. I couldn't find the brake list?
> Whassup?
> Proly just me!!!

It's just a temp location, no link to it,m I need to format it then move
to amcylcopedia


http://wps.com/AMC/AMC-brakes.html





> --
> Mark Price
> Morgantown, WV
> 1969 AMC Rambler, 4.0L, EFI, T-5
> " I was different before people dared to be different" 
> 
>  -------------- Original message ----------------------
> From: Tom Jennings <tomj@xxxxxxx>
> > On Fri, 2007-07-20 at 16:22 +0000, Wrambler242@xxxxxxxxxxx wrote: 
> > > I got to ask, Were would you look to find smaller wheel cylinders???
> > 
> > >From the grand unified brake list! I already did this on my Hornet; I
> > got perfect balance by changing to a smaller rear bore. All along I
> > suspected that there really are very few drum brake parts. Here's what
> > I've found:
> > 
> > * AMC used 10x2.5, 10x1.75, 9x2.5, 9x2
> > * The hub front or rear does not seem to change EXCEPT for center hole
> > diameter some years
> > * four drums would fit all cars EXCEPT there are variations in center
> > hole diameter some years
> > 
> > 
> > * For a given SHOE WIDTH, all the wheel cylinders interchange, pending
> > port location (center, front or rear; front brakes have to put the port
> > to one side of the steering knuckle, is all). YOu can use front wheel
> > cyls in the rear if you don't mind bending brake lines.
> > 
> > (The only difference between a 1" bore wheel cylinder for 2.5" wide vs.
> > 2" wide shoes is the height of the bore centerline from the mounting
> > surface, so that it contacts the foot on the shoe).
> > 
> > 
> > 
> > To tweak the rear wheel cylinder bore diameter, for say a 9x2.5" brake
> > first figure out what you have now, then rummage through the table for
> > other 9x2.5 rear brakes and see what other cyls are used. You can do
> > this without the chart; the data's in the TSMs, but I compiled it all in
> > one place.
> > 
> > Once i fill in the blanks in the table I will do the complete
> > cross-reference. That's really the POINT of the project. The big listing
> > is nice, but it's not new data. Tabulating every possible AMC wheel
> > cylinder will be new information. For example, I can list wheel
> > cylinders by bore x shoe width x port exit location x part number and
> > just go shopping. 
> > 
> > 
> > There's certainly bore diameters that AMC didn't use that would be
> > useful. But knowing how few wheel cyl parameters there are means you can
> > pick non-AMC parts that will bolt in, exact fit; find other-make with
> > 9x2.5 bendix brakes, check port location, bolt it in.
> > 
> > 
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> 
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