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Old 03-29-2017, 08:31 PM   #1
Bus Nut
 
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Join Date: Jul 2016
Location: Prince George, BC, Canada
Posts: 543
Year: 1974
Coachwork: Bluebird
Chassis: CHEVROLET C60 just under 19700 lbs body#B10353
Engine: 350 ci on propane
Rated Cap: 48
1974 c60

I have a 1974 C60 bluebird 20000 lb GVW. The bus has 2 vacuum boost cylinders mounted on the frame and a master cylinder on the cowl. I have been thinking about upgrading to a Hydro-boost master cylinder. Is this possible? Is it a good idea?
Gordon

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Old 03-31-2017, 09:10 AM   #2
Bus Crazy
 
Join Date: May 2014
Location: West Ohio
Posts: 1,170
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
I prefer hydro boost over vacuum boost. With fabrication, anything is possible.

Big thing would be to make sure the power steering pump is compatible with whatever hydrobooster you use. Most of the time it's no big deal and it will work but some stuff is marginal at best and would require you to upgrade. Hoses are simple, you can hunt around for an oem fix, but a lot of auto parts stores will have the ability to create custom hydraulic hoses.
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Old 03-31-2017, 09:23 AM   #3
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Join Date: Oct 2016
Location: Pensacola and Crystal River, FL
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Year: 1998
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Chassis: 3800
Engine: Navistar 7.6L
What did the latest version of a gas C60 have for brakes? Maybe can get the setup out of a junkyard?
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Old 03-31-2017, 09:34 AM   #4
Bus Nut
 
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Join Date: Jul 2016
Location: Prince George, BC, Canada
Posts: 543
Year: 1974
Coachwork: Bluebird
Chassis: CHEVROLET C60 just under 19700 lbs body#B10353
Engine: 350 ci on propane
Rated Cap: 48
Quote:
Originally Posted by DoubleO7 View Post
What did the latest version of a gas C60 have for brakes? Maybe can get the setup out of a junkyard?
Air brakes are the most current, but I don't want the red tape hassle. There are Hydro boost systems that have an "engine off" backup. Thought of combined vacuum / hydraulic / electrical backup sounds almost perfect.

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"EDIT"----
I have checked local junk yards for wheels and found that anything older than 10 years gets sold at 85.00 a ton 😣
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