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[GMCnet] Trip Report (in segments). [message #343156] Tue, 07 May 2019 12:34 Go to previous message
glwgmc is currently offline  glwgmc   United States
Messages: 1014
Registered: June 2004
Karma:
Senior Member
That was our experience, too, Todd. We had the Manny six wheel disk with one ton front end under the 78 Royale and bone stock suspension and brakes under the 77/94 Clasco. Both worked equally as well under all the conditions we encountered except the six wheel disk set up had no functioning parking brake. Both had aluminum 16” wheels (Alcoa on the Royale and Weld on the Clasco) and both had the same tires. Both were at proper ride height all the time and aligned the same. Both were one hand on the wheel drivers and we put around 10K miles a year on each. Knowing what I know now I would keep the stock brakes, have them rebuilt by a really good brake specialist and have one of our quality vendors add grease fittings to the front wheel bearings with re-machined hubs and knuckles. The jury is still out for me as far as the rear suspension is concerned. Both of ours retained the stock one air bag per side set up with a wireless air pressure controller. I probably would now add the quad bag set up just for the limp out of danger facility in the event one wheel or bearing went south.

Jerry
Jerry Work
The Dovetail Joint
Fine furniture designed and hand crafted in the 1907 former Masonic Temple building in historic Kerby, OR

glwork@mac.com
http://jerrywork.com

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Message: 3
Date: Mon, 6 May 2019 18:32:14 -0700
From: Todd Sullivan
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Trip Report (in segments).
Message-ID:

Content-Type: text/plain; charset="UTF-8"

I?ve had two gmc coaches. Both 77s. One with six disc and one stock
configuration. The stock braked coach had better pedal feel and braking
power/ response. It is likely that the pedal and response on the all disc
system was due to the integration (or lack thereof ) of the modified system
but that does not really change the arguememt. The stock brake system in
proper condition is plenty adequate. I am always towing something and
frequent the cascade mountain range.

My 2c

Sully
Bellevue. Wa

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Jerry & Sharon Work
78 Royale
Kerby, OR
 
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