Re: [Amc-list] Cheap brake conversion (big Bendix brakes)

[Wrambler242@xxxxxxxxxxx]

So,
75-78 all AMC cars?
What I asked abot the bearings is if there is a work around?
You can get a bearing to install a small bearing 28spline Ford axle in a big bearing rear housing.
If the length of the spindles is the same then it is possible a bearing set exists that will do the same. Install big bearing discs on small spindles.

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"

 -------------- Original message ----------------------
From: Frank Swygert <farna@xxxxxxx>
> Big bearing brakes use a different size spindle, so you can't put them on the 
> small bearing spindles. The inside diameter of the bearings are different (big 
> bearings = bigger ID). 
> 
> All 75-78 AMC cars used big bearing spindles. All 75-76 used big Bendix (3.1" 
> caliper piston) front disc brakes. 77-78 small cars used the big bearing spindle 
> but small Bendix (2.6" caliper piston) disc brakes. 77-78 Matadors continued 
> using the 3.1" calipers. 
> 
> The big Bendix rotors are just over 1" thick for better heat dissipation. All 
> small Bendix brake rotors are just under 1" thick. 
> 
> The odd 77-78 big bearing/small caliper rotor is what makes those year small car 
> brakes a bad choice for an upgrade of earlier models. I've also been told that 
> those calipers had phenolic pistons that were prone to leaks, but I have to 
> believe that they would have been replaced a long time before that year/model 
> ended up in a salvage yard, especially now! 
> 
> ------------
> Date: Tue, 15 Jul 2008 09:10:32 -0700
> From: Tom Jennings <tomj@xxxxxxx>
> 
> Sandwich Maker wrote:
> > i have a possible availability upgrade for the '74-8 bendix spindle
> > with the big bearings, a mopar part.
> 
> 
> Ooh, nice find!
> 
> So what exactly was the "big bearing" application in AMC? Most of 'em 
> are the "smalls", SET2 and SET6, right? I've never seen a big-bearing setup.
> 
> Is big vs. small the ID of the bearing, or the OD? What I'm asking is, 
> could I put big-bearing rotating parts on small-bearing spindles?
> 
> -- 
> 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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