| Re: [GMCnet] Need help identifying this part? [message #326806 is a reply to message #326779] |
Wed, 06 December 2017 13:58   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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That valve of many names, when used with a combination disc/drum system
serves to separate the front system from the rear system, and it provides a
redundant capability should either of the systems fail. It also provides a
warning light on the dash that indicates that some attention should be paid
to the brake system. With an all disc system, there is less of a need for
the "hold off" feature that the valving inside it provides. That is the
major difference between the two different valves. You still need the
redundancy feature, as well as the warning light and separate reservoirs
for front and rear brakes.
Jim Hupy
Salem, Or
78 GMC ROYALE 403
On Dec 6, 2017 11:45 AM, "Russell Keith" wrote:
Mike,
Regarding the need for a proportioning valve with 6 wheel disc brakes, I am
not qualified to provide that answer. However I suspect that some pressure
regulation front-to-back would be helpful for optimized braking. Call Jim
Kanomata at 800-752-7502, or Jim Bounds at 407-857-5777, or Jeff Sirum at
863-763-1121. The good news is that we have very knowledgeable people just
a phone call away. I have talked to each of them and they are always
willing to help me. They are great guys!
Russell
--
Russell Keith,
1978 Eleganza II "Harry" 403, Danny Dunn Tranny (w/shift kit, 3.50
sprockets, Allison), Thorley, Stock Brakes w/Remote Vacuum Brake Booster,
Mico
Electric Actuated brake lock, Dakota Digital Dash, 6.5kW Onan,
Dunedin, Florida
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