I looked at WPS.com. I couldn't find the brake list? Whassup? Proly just me!!! -- 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. > > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list