Re: [AMC-List] brake question

[<francis.swygert@xxxxxxxxxxxxxxxxxx>]

Russ, it doesn't matter about the brake line routing. The combo valve
(CV) and right brake gets the same pressure as the left brake even
though the left brake is closer to the master cylinder (MC). The line
pressure is equal throughout the system, so it doesn't affect braking at
all. If either front brake blows a line or seal the CV will shut off
that side, but there will still be no front brakes as no pressure would
be applied to them. There is one danger -- if the right front brake
blows out and the CV trips, you will still have a left front brake since
it "T"s out between the MC and CV. That would lead to a very hard pull
to the left when braking. But the CV's main purpose is to warn that
there is a brakes failure, and a smart person doesn't drive a car with
failed brakes. 

You don't HAVE to have a warning light, the car will run without it. But
then there's no warning if you have a problem. You can run the disc
brakes off the drum brake junction block and warning light with no
problem. You should install a proportioning valve in the rear brake line
though. The CV has a proportioning valve built into it (thus the name
"combination valve" -- it combines junction block, warning light, and
proportioing in on unit). You can use the Hornet/AMX combo valve in the
American also. 


------ original message -------------------
Date: Thursday, June 22, 2006 02:01 PM
From: russ hathaway <russh97309@xxxxxxxxx> 

My question is about the plumbing of the brake lines.
Every AMC I see has the drivers front brake line
branched off before the line goes to the balance
valve. Then after the valve the passenger front brake
gets pressure. Doesn't it make sense to run both lines
from the MC to the balance valve, then branch off to
the L/R front? I realize that it would involve more
lines, but it seems better braking would be the
result.
Also, since these brakes (77 AMX disc/drum) are going
on a 64 American, can I run the stop light switch from
the front brake coupler, the afore mentioned coupler.
Then just branch off after the balance valve to go to
the discs? Do I need that warning light set-up on the
balance valve or can I yank it out and toss it, then
just plug up the hole.


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