Re: [Amc-list] disk brake hack

[Frank Swygert <farna@xxxxxxx>]

The difference in your balancing of the Hornet brakes and Dave's balancing problem is the master cylinder volume. The front calipers he's using require a lot more volume than the one's you have -- about the same as the Big Bendix calipers (maybe a bit more). Let's see... 76 Hornets used the Big Bendix calipers. They also used the 7/8" wheel cylinder (and 1-1/8" master cylinder, and 9x2 rear brakes). Dave's current wheel cylinders are slightly smaller at 13/16". Since the brakes are locking so quickly I'm not sure 7/8" will work. 76 Matador wagons used 15/16" rear wheel cylinders though. The only problem with all this is the 76 parts are all Bendix, he needs a 7/8" or 15/16" Wagner wheel cylinder. They should be out there, but I don't know what application. All the AMC V-8 cars went to Bendix when a bigger wheel cylinder/rear brake was required. 

----------------
Date: Fri, 20 Jul 2007 11:28:22 -0700
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.

-- 
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
For all AMC enthusiasts
http://farna.home.att.net/AMC.html
(free download available!)

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