Re: [Amc-list] '65 American 330 - Front drums 9x2?

[Frank Swygert <farna@xxxxxxx>]

First brake swap I ever did was to put 64 Classic six (w/232) front drums and double master cylinder on my old 61 American wagon. They were still 9" drums, but 2.5" wide instead of 2" (154 sq. in. of shoe compared to 140), and the wheel cylinders were 1-1/8" instead of 1". Stopped much better, as good as disc brakes when dry and cool, without much fade. It's an easy swap on the 58-63 American, which has a steering arm that wraps around between the brake drum and wheel. Can't run 14" wheels because of that, and that's why it's difficult to get the 10" drums to fit. 

Tom. as long as you buy new grade 8 bolts to hold the spindle on and leave the steering arm in the stock location you can space the spindle and brakes out. I have mine spaced out 1/2" in front. I used grade 8 nuts that would slip over the bolts for spacers instead of washers for that distance. 

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Date: Tue, 8 Apr 2008 18:13:24 -0700 (PDT)
From: Tom Jennings <tomj@xxxxxxx>

I'm all hot again to put the 10" drums up front, I'm simply
gonna space out the spindle and backing plate with junk washers
to check for fit (no, not to drive on!) and determine the minimum
thickness needed to clear the steering arm ends. It's complicated
by the drum flange, so it's hard to calculate without actually
setting up the parts. If it works, I'll have 10x2.5 up front
and 10x1.75 (Concord wagon) in back. BIG brakes!






-- 
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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