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#37499 09/07/2004 4:49 AM | Joined: Jan 2004 Posts: 30 Junior Member | | Junior Member Joined: Jan 2004 Posts: 30 | can anyone suggest a split master cylinder for my big truck? i have nothing for brakes and the engine sucks the brake pedal to the floor. i am looking at a brake job and am thinking about a split mc for a safer set up. can anybody help please?? | | |
#37500 09/07/2004 5:21 AM | Joined: Feb 2004 Posts: 29,836 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,836 | Are you planning to stay with the drum brakes all around, or is an upgrade to disc brakes in the plan? If the drum brakes are going to be retained, you'll need a MC with the same size reservoir for front and rear. The disc brake type MC has a much larger reservoir for the front brakes, and you'll run out of reservoir volume before the rear cylinders are displaced far enough to apply the brakes. A master cylinder for a big Buick, Olds, or Cadillac with drum brakes all around, maybe late-60's or so, will have large reservoirs for both front and rear, and a big enough bore size to work with the large wheel cylinders of your truck. It might also be wise to install a proportioning valve to control rear brake application when you're running unloaded, to prevent rear wheel lockup.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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#37501 09/08/2004 3:43 AM | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | I used a master from a 1966 Pontiac Catalina with a 4 wheel drum brake system on my '48 1.5 ton with out any problems. Buy it new, don't waste your time with salvage yard stuff.
Good luck,
Scott | | |
#37502 09/09/2004 3:31 AM | Joined: Jan 2004 Posts: 30 Junior Member | | Junior Member Joined: Jan 2004 Posts: 30 | how hard is it to switch to disc brakes on this truck?? | | |
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