Re: [FWDLK] Brakes- when to upgrade if U can lock em?

[Wayne Graefen <wgraefen@OMNIGLOBAL.NET>]

I have to agree with Karl Peterson.
It is ALL about arcing the linings to fit the drums.  This means
cutting the lining on a machine that follows an arc so that the
lining comes in full contact with the drum.    I have a service
bulletin that says the linings should be cut slightly UNDERSIZE
of the drum so that the center of the lining hits the drum first
and the rest is then pressed into contact.  .010 to .024 is
recommended.  When I have linings done I ask for a consistent
..015 undersize on all of them and that the drums also be cut
equally.
Arc grind is also called contour grinding.
Many shops gave up their arc grinding machines when the EPA said
they could no longer grind on asbestos linings but call around,
some place in your area still has a machine.
I have no complaints whatsoever about any of the brakes on
several forward look cars that I have had over the years that
have been arc ground.
The magazine articles from that time are wrong.  The brakes
simply need to be set up right to be equal and superior to
anything from the other companies.

Wayne

----- Original Message -----
From: "Chris Hullinger" <hullinger@EARTHLINK.NET>
Sent: Monday, April 10, 2000 10:30 PM
Subject: Fw: Re: [FWDLK] Brakes- when to upgrade if U can lock
em?


I've got to agree with Lars in that the braking performance of
50's vintage
Chrysler products just plain stinks.

Up to a few years ago, I had a '63 Chevy Biscayne which would
out brake by
'58 Dodge any day, even though the entire brake system on the
Dodge is new
or rebuilt.  Also, I had read some original Motor Trend articles
from the
'50's blasting all Chrysler cars for poor brakes, as compared to
GM cars.

Any opinions,
Chris


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----- Original Message -----
From: karl peterson <nitekatt@HOTMAIL.COM>
To: <L-FORWARDLOOK@LISTS.PSU.EDU>
Sent: Monday, April 10, 2000 10:02 PM
Subject: Re: [FWDLK] Brakes- when to upgrade if U can lock em?


> >From: David Homstad <dhomstad@FIELD-WORKS.COM>
> >Reply-To: David Homstad <dhomstad@FIELD-WORKS.COM>
> >To: L-FORWARDLOOK@LISTS.PSU.EDU
> >Subject: Re: [FWDLK] Brakes- when to upgrade if U can lock
em?
> >Date: Mon, 10 Apr 2000 19:11:54 -0500
> >
> >Lars,
> >
> >When I replaced the original brake linings on my Dodge, I
noticed a
> >significant drop in the braking and a serious increase in
pedal pressure.
> >This is due to the modern brake linings mandated by our
friends at the
EPA.
> >No more asbestos. I then installed an original 56 power brake
set up. The
> >car now stops just like a modern car with normal pedal
pressure.
> >
> >Does anyone know where to find information on the different
types of
lining
> >materials available today? Do hard long lasting "premium"
linings
designed
> >for power brakes cause this? Would less expensive linings be
softer and
> >require less pedal pressure? Do we care if they only last
30,000 miles
> >instead on 60,000 on a car driven 1000 miles a year?
> >
> >Dave Homstad
> >56 Dodge D500
>
>
> Pardon me for buttin' in, but have you considered the
possibility that
> whomever installed the new shoes didn't bother to arc them to
the drums?
> (Probably doesn't know how, if it was one of these kids
nowadays that just
> slap things together).  At least that is what it sounds like
to me.
>
> Karl <61 300G>
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