[Chrysler300] J/K Remote Booster - Dual Circuit Possible?

[John <spiers@xxxxxxxxxxxxxx>]

Mike - 
 
I did see this new single line booster  http://tinyurl.com/remotebooster on eBay for a B-I-N price of $238, and upon further Yahoo searches, I found a firm in England that has the same item for 90 pounds - or $165, including their 14.5% tax - deduct that tax and add shipping to the US - probably $185 delivered for one unit.   It is originally designed for Triumphs and other Brit cars.  I don't have any specs as to brake line sizes, but as it is for older non-metric models, that adaptor fittings could be found if line sizes were not the same.
 
I searched around for any info on the 1968 Volvo unit, but haven't found a thing.  I recall that when I had the car in the early '90s, that I couldn't locate a spare or rebuilt unit.  It was roughly the same size as the Chrysler J/K unit, and was for a front disc/rear drum system on the Volvo.
 
John Spiers
Lake Worth, FL

--- On Sun, 9/21/08, mwl1967@xxxxxxx <mwl1967@xxxxxxx> wrote:

From: mwl1967@xxxxxxx <mwl1967@xxxxxxx>
Subject: Re: [Chrysler300] Dual Outlet Master Cylinder
To: spiers@xxxxxxxxxxxxxx, chrysler300@xxxxxxxxxxxxxxx
Date: Sunday, September 21, 2008, 5:13 PM






John,
I've got 4 wheel discs on my K and am not real happy without the 
power assist. I've been told I can run just the front circuit through the 
booster which would subsequently assist the unboosted rear circuit but I;m not 
quite sure I believe it nor have I tried it.

There is a company offering a dual remote booster / slave assembly, 
it is essentially two small units mounted in tandem and ran around $700 
bucks or so. If I recall it was too large to mount under one fender and I'd have 
to separate them and put one under each fender. The other option if you can 
find the info would be to try the volvo unit you mentioned... do you have any 
details? A service manual? Size?

I would like to try one of these options soon. The other issue for 
me would be to figure out how to run it with an engine that's only making 
7inches of vacuum at idle.

FYI for anyone updating brakes in my opinion would be to go to discs in 
the front and leave the rear drums alone. Sure the vented / slotted rotors 
look cool but any of the kits using the '79-'85 GM rear calipers should be 
avoided like the plague...IMO. Also, the Wilwood kits use calipers that don't 
have dust seals on the pistons and hence aren't exactly meant for longevity if 
used regularly on the street. 

Mike Laiserin
Phoenix, AZ





In a message dated 9/21/2008 1:06:48 P.M. US Mountain Standard Time, 
spiers@rocketmail. com writes:

Along with Carl's request, has anyone successfully converted a 300-J or 
300-K with the remote booster to a dual-circuit master cylinder? 

I looked into doing this at one point, and the one solution I came up with 
that would retain power brakes is to use the original booster for the front 
circuit, and add a second remote booster for the rear brakes. The remote 
booster does certainly complicate the issue of going dual circuit. 

A 1968 Volvo 122S wagon I once owned had such a booster that handled both 
circuits - I might have to consider locating one of those., but they are scarce.

John Spiers
Lake Worth, Florida

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