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| | | | Joined: Sep 2007 Posts: 19 New Guy | | New Guy Joined: Sep 2007 Posts: 19 | Hello fellow bolters. I recently purchased a new project: a 1952 gmc 9430 1 ton with dump/hoist.
My question is: The master brake cylinder seems to be plugged with corrosion from sitting. Should I replace with another stock one from a online vintage parts store or is there something else that I should upgrade. Would the stock master cylinder provide enough braking power for this baby?
ps: I am new to this site and it has already helped me a great deal. thanks folks
Elwardo
| | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | If you keep it stock and drive slow, (you don't have a choice with the original gears), then an original master cylinder will be fine.
If you want a little safer system, then a dual circuit master cylinder and bracket kit available from the usual places would be a good idea.
Grigg | | | | | Joined: Sep 2007 Posts: 19 New Guy | | New Guy Joined: Sep 2007 Posts: 19 | thanx I shall check de catelog. Ward
Elwardo
| | | | | Joined: Sep 2006 Posts: 1,997 Big Bolt Forum Co-moderator | | Big Bolt Forum Co-moderator Joined: Sep 2006 Posts: 1,997 | Grigg,
This going to sound like a dumb question, but are the dual system master cylinders the same for 1/2 tons and 2 tons?
A day without laughter is a day wasted- Charlie Chaplin
When wrestling a grizzly bear, you have to keep at it until the bear gets tired, not when you get tired. 1948 Chevy 2-Ton | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Guys, master cylinders are spec'd by the volume of fluid they need to move to make the wheel cylinders do their job, the more volume, or number of cylinders, the larger the master cylinder must be. So the short answer to Super55s question is NO they should not be the same, hope that helps. | | | | | Joined: Sep 2006 Posts: 1,997 Big Bolt Forum Co-moderator | | Big Bolt Forum Co-moderator Joined: Sep 2006 Posts: 1,997 | 3B.. How are you doing? So, is there a new after market dual system cylinder available? I am guessing that the ones you see in the magazines are for the half tons.
A day without laughter is a day wasted- Charlie Chaplin
When wrestling a grizzly bear, you have to keep at it until the bear gets tired, not when you get tired. 1948 Chevy 2-Ton | | | | | Joined: May 2005 Posts: 8,878 . | | . Joined: May 2005 Posts: 8,878 | Yes, the ones in the catalogs are for 1/2 tons. I have had good luck by going to the junk yard and picking the master cylinder off a truck with the size brake calipers I am actually using, it's already a factory designed matching system. Or, go to the parts store and select one form the vehicle you are using the brakes from, if you use the old brakes and just want a new master look for a newer truck with similar sized wheel cylinders, and use that master. MC mounting details are pretty standard for each auto manufacturer, so chances are that the brackets will work with the proper sized MC. To design your own system properly read this article, it covers how to properly size the MC. http://www.4wheeloffroad.com/techarticles/drivetrain/131_0708_4x4_disc_brakes/index.html Grigg | | |
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