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

[Tom Jennings <tomj@xxxxxxx>]

On Tue, 8 Apr 2008, Bruce Griffis wrote:

> That's exactly what mine had. 9x2 shoes inside 9x2.5 drums. Just got
> replacement drums today, and they're 9x2.5 as well.
>
> So - would that mean to upgrade to 9x2.5, I'd just need bigger shoes?
> Maybe (or maybe not) bigger wheel cylinders? Not that I'd do it right
> now - my shoes have less than 60 miles on them - but that would be
> something to think about.

You need backing plates AND wheel cylinders. The heights (off
the spindle) are different. I specifically checked for all
that stuff!

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!





>
> On Tue, Apr 8, 2008 at 3:34 PM, Tom Jennings <tomj@xxxxxxx> wrote:
> > On Tue, 8 Apr 2008, Mike Kindle wrote:
> >
> >  >
> >  > The 65 232 I had, had 9x2" shoes inside a standard 9x2-1/2" drum.
> >  > That means it also had different backing plates to go with the 2" shoes.
> >  > I wound up replacing them with 2-1/2" backing plates and shoes but I thought it strange that they had
> >  > downgraded in this way.  It just meant there was a half inch of drum never being used.
> >  > Maybe so they could call the full 2-1/2" setup heavy duty?
> >  >
> >  > I believe the 66 TSM referred to this option as 9x2".  Describing brake shoes rather than the drums.
> >
> >  It might have simply been that someone put the wrong drums on,
> >  intentionally or otherwise...
> >
> >
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