Re: {Chrysler 300} 300C brake drums

I had a hell of a time finding rear brake drums and guess the fronts are the same. Seems like they, and the flywheels from others, all make good boat anchors and lake bottoms are full of ‘em.

I sanded mine up on my 55 IMP, got the brake cleaner and scrubbed them up to make me feel like they were ‘new’ again and cleaned up the shoes with some methol alcohol tub and rub. Then I put them back together. Maybe not the perfect solution but they stop when and where i want them to, no whining.

On Jul 12, 2021, at 6:29 PM, 'Andy Mikonis' via Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx> wrote:

I agree with everything John said. Bust the glaze with some ruff sandpaper. Don V. pointed out the backside of one of those rubber body shop sanding blocks works well for that.

I "inherited" a brake shoe arc grinder. Haven't tried to figure out how to use it yet.

Andy in Chicago

On Jul 12, 2021, at 5:46 PM, John Grady <jkg@xxxxxxxxxxxxxxxxx> wrote:

you really should not turn them , even if scratched or grooved. . new or turned ones will scratch or groove anyway in a thousand miles . your existing shoes match that grooving now .
——unless you have a guy with rare correct machine to turn new shoes to match , you will suffer with many new frustrating brake problems . just mho.

why do you want to turn them ? unless shoes are toast , leave it alone ?

Those brakes went 50 k + in the day , rebuilding them for nothing brings in lots of problems , and as a classic car you are not generally going to go tens of thousands of miles. All brand new parts this problem happens .....
There is an excellent chrysler publication , about the “ new three platform brakes” may be on our web site. lots of info , maybe 50 pages . on internet .
looking back 50 years now , the reputation for “ being difficult brakes” starts with drum turning , and then shoes do not fit right. They will Touch in one small spot for a very long time , as incorrect radius- and thus feel ineffective .
fyi ,
John

Sent from my iPhone not by choice

On 12 Jul 2021, at 5:36 pm, Henry A. Mitchell III <hamlll@xxxxxxxxxxxxxx> wrote:

I am having the front brake drums turned from my 300C. For some reason nobodys brake drum-turning book goes back to 1957.
Does anybody happen to know the maximum diameter of the front brake drum? Is the rear drum the same maximum diameter?

Henry

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