--No Improvement in performance, it’s still a hydraulic circuit. Not necessary or worth the extra plumbing if your brake parts are new. And no, it’s not a big safety improvement. If you have to panic stop and loose 1/2 of your brakes, you will still hit what you are trying to avoid, especially if the front circuit goes. If you maintain your original system, it works just fine.DonFrom: apozdol@xxxxxxxxxxxSent: Thursday, July 01, 2021 4:19 PMSubject: RE: {Chrysler 300} Re: 300C brakes--Another big improvement in performance and safety would be conversion to a dual master cylinder. A separate 1” piston for each two drum circuit sure is a big upgrade!
Allan
From: chrysler-300-club-international@xxxxxxxxxxxxxxxx <chrysler-300-club-international@xxxxxxxxxxxxxxxx> On Behalf Of John Grady
Sent: Thursday, July 1, 2021 3:05 PM
To: steve <steve@vaultcarscom>
Cc: Chrysler 300 Club International <chrysler-300-club-international@xxxxxxxxxxxxxxxx>
Subject: Re: {Chrysler 300} Re: 300C brakes
exactly correct info and the way to go .
Maybe we find a good process,for example a way to
precisely measure drum ID at local machine shop and send that drum info and your shoes to this company to precision grind the shoes to match . Or buy the arced shoes from them etc . Watch out for shoe design variations across years too . Not all are the same 12” shoes , the back side and the platform contact loops vary . I have had two cars with that crossed up in the distant past , late shoes in an early car. Shoes must match the rear mount plates that hold wheel cylinders .
Sent from my iPhone not by choice
On 1 Jul 2021, at 3:53 pm, steve <steve@xxxxxxxxxxxxx> wrote:On my 1956 Chrysler 300 B preservation car, I had the shoes re-lined , drums turned and shoes arced to match the drums at CH Topping in Long Beach, CA. I think their ability to match the shoes to the drums was crucial. I also replaced all the hoses, new master cylinder, and wheel cylinders. The result is a car that really stops great! you can see it here :https://www.youtube.com/watch?v=We5yo-WZTxs
On Monday, June 28, 2021 at 8:17:49 PM UTC-7 hamlll wrote:
I would like to increase braking efficiency on my 300C without changing to disc brakes. It would be ideal if all I had to do is change my brake shoes. I know that sintered brake linings are often used in race cars for more efficient stopping power. Has anyone ever tried a higher quality more potent brake shoe lining material?
There is a video on YouTube showing a 300B racing at Infineon Raceway. https://www.youtube.com/watch?v=4yWMIcra40s
This 300B clearly outbrakes a lot of race cars (he also worries a lot of race cars, especially the teeny tiny open wheel cars when he pulls up behind them, they look in their rear view mirrors and all they can see is the massive gleaming 300B front bumper at about eyebrow height). The beginning of the video shows drum brakes on that car.
One thing I know for sure: he is not running (or braking) the same brake shoes that I have on my car.
Henry Mitchell
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