Re: [Chrysler300] 1958 300D Brake shoe lining

[lettercars@xxxxxxx]

Thank you, Henry.  That is exactly the idea of the Chrysler Total  Contact 
braking system introduced in the 1956 MY and continued thru 1962.   I have 
heard all the complaints about them, but when set up properly, they work  
fine. (They are somewhat---some would say very---particular.)  I remember,  
while at Chrysler, talking about that with an engineer who was in the brake  
lab at that time.  He stressed the importance of everything being set up  just 
right.  Now, if only Chrysler had combined the two leading shoe idea  with 
Buick's great finned aluminum drums.....
300ly, Gil Cunningham
Tallahassee, FL on a really beautiful am!
 
 
In a message dated 3/21/2012 6:06:22 A.M. Eastern Daylight Time,  
henry.schleimer@xxxxxxxxxxxxxxx writes:

Note  that for the 57 models, the front brakes have two leading shoes.  
That  is, both get pulled into the drum with the car going forward.  It doesn’t 
 matter that one is upside down.  The rear has leading and trailing  shoes. 
 This gives more braking torque on the front than rear, as it is  needed.  
Later cars with leading/trailing shoes on the front and rear  generally used 
different sized wheel cylinders (or drums) to give the  necessary brake bal
ance.  Also note the 57 Chrysler workshop manual  clearly shoes all shoes 
front and rear have a full length lining.  You  could probably get away with a 
shorter lining on the rear of the rear brake  but I wouldn’t do that on the 
front as they may get hot at different rates  leading to earlier fade.  
Suggest you look up a 58 manual to  check.



Regards



Henry



From:  Chrysler300@xxxxxxxxxxxxxxx [mailto:Chrysler300@xxxxxxxxxxxxxxx] On 
Behalf Of  Charlie V
Sent: Wednesday, 21 March 2012 6:20 AM
To:  Chrysler300@xxxxxxxxxxxxxxx; Larry Jabin
Subject: Re: [Chrysler300] 1958  300D Brake shoe lining







Not sure if 1958  shoes are any different but whenever I purchased brakes 
shoes the set usually  had two shoes with the lining on the Whole shoe and it 
also had two shoes with  the lining ending an inch or so before each end of 
the shoe.

The shoe  with the shorter lining goes on the front half and the shoe that 
has Full  lining goes on the rear half. I did an internet search to verify 
this and it's  shown below.

Where does the bigger size brake shoe go front or rear in  drum?

The smaller shoe should go on the front. The larger shoe should  go to the 
rear, but not because of why you might think! 

When the  brakes are applied the front shoe tries to jam itself into the 
brake drum. It  is that front cohesive part that has the strongest braking 
force - pressing  most-so upon the forward-facing shoe. However, even though 
the front shoe is  where the majority of braking force is applied, it does not 
get the larger  shoe! 

As noted, in a braking mode, the majority of the force that the  
decelerating vehicle applies to the brake shoes is applied against the forward  shoe 
by the forward-most area of the inner brake drum, this makes the forward  
shoe the stronger, braking-wise. To help even things out, the rear secondary  
shoe is designed to be larger, to more equally match the braking power of the 
 smaller, but more powerful front primary shoe.
Ergo: The proper place for  the larger shoe is to the rear.

Lion Charlie Valentine
300G, 1962  300 Sport Convertible 

--- On Sun, 3/18/12, Larry Jabin  <larry@xxxxxxxxxx 
<mailto:larry%40pwbsfo.com> >  wrote:

From: Larry Jabin <larry@xxxxxxxxxx  <mailto:larry%40pwbsfo.com> >
Subject: [Chrysler300] 1958 300D  Brake shoe lining
To: "Chrysler300@xxxxxxxxxxxxxxx  <mailto:Chrysler300%40yahoogroups.com> " 
<Chrysler300@xxxxxxxxxxxxxxx  <mailto:Chrysler300%40yahoogroups.com> >
Date: Sunday, March 18,  2012, 12:37 PM



Could someone tell me when relining the  brake Shoes

Should the lining cover the whole shoe?

The reason I  ask I,s I have purchased re-lined shoes from different 
suppliers

>From  one supplier the lining covers the shoes completely & the other there 
is  almost an inch at each end with no lining

Thanks

Larry  Jabin

Larry@xxxxxxxxxx <mailto:Larry%40pwbsfo.com>  <mailto:Larry@xxxxxxxxxx 
<mailto:Larry%40pwbsfo.com>  >

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