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Hi Clinto, My, uhmmm, blathering went beyond your original statement into a statement about the suitability, and safety of single circuit brakes in general. I don't think AM General had much original design in the dual circuit brake system they used in the last deuces. It looks like it is...

First, AM G had nothing to do with designing the deuces, or even the M35A2's. The Bendix braking system was designed, and specified for the deuces long before AM G came on the scene. Single circuit brakes were the standard in the automotive world when the deuces were designed. Compared to the...

A couple of things to remember when working with hydraulic piston systems: First is that hydraulics are a form of leverage. Anything you can do with a lever, you can do with hydraulics. And second, if you use two equal sized master cylinders, or a dual chamber master cylinder with equal sized...

I'm not planning on doing anything to the single circuit brakes on my deuce. I have used single circuit brakes on many different vehicles, for close to a million miles, without failure. So I don't really see them as that much of a safety problem. Maintain them even slightly, and they won't...

Read what I said again. I said 1/2 area, not 1/2 diameter! -Chuck

Of course, but now you are redesigning even more of the braking system. The additional hole in your brake pedal lever arm could weaken the brake pedal and add another single point failure to the system. The simplest solution would be to go to your local light truck parts dealer, with a...

Not quite true. When you press the pedal, there is a small amount of wasted motion that is used to open the valve on the air assist regulator, and that drives the master cylinder.... However, if anything in the air system fails, once the pedal passes through that wasted motion, you are directly...

What you propose won't work unless you are a gorilla! Some simple hydraulics needs to be discussed: First, PSI, or pounds per square inch, tells a large part of the story of how hydraulics works. Hydraulic systems are effectively a variation on the lever. Some examples contrived to have...

I intend to replace the original rubber/dacron hoses with SS braided hoses from the link I posted. The only thing holding me up from ordering is I don't know for certain the details of the current hose fittings. I am pretty sure that they are straight 3AN or 4AN female, but I would rather not...

Is there some particular reason you want to go braid the whole way? It would seem to be to be more rugged to use SS tubing for the runs that could be affixed to the frame, and braid only for the flexible sections. My reasoning has to do with expansion of the tubing. Even the best braided...

This guy: Classic Tube - PreBent and Custom Stainless and OE Brake Lines and more..., makes up stainless steel flexible hoses that meet all of the DOT tests. He wants about $18 each for the deuce front hoses. I think it would be a good idea to have the DOT testing on anything you add to the...

It was common in the days of gasoline powered trucks and school buses. I have an F600 2 ton with a vacuum over hydraulic system... single circuit too! Diesel pickup trucks generally have a belt driven vacuum pump to handle the ordinary vacuum assist power brakes. -Chuck

I have had 3 brake failures in the double circuit systems in the cars and trucks I drive. In each case, I totally lost the brakes. Pumping did not help at all! I would venture that if the master cylinders were working 100% correctly, the failures would have been contained to the circuit that...