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I would love to hear from anyone who has done any sort of three axle dual circuit conversion as to what non AF master they used. I'm a bit hung up on the issue of residual pressure valves, as im not 100% sure if they're needed, and some masters had 2, some had 1, and others none. I believe it...

It was quite the learning experience, thats for sure. I would hate to admit how long i spent looking over that rear head looking for a hidden bolt or something else I was missing that was holding it down. Considering how long it ran like that, I fully expected to find torching especially...

sorry in advance for the hijack, but a HG story comes to mind. No matter what, I'll bet your head gasket job goes easier than mine did. My truck had the old style gaskets, and it started blowing out through the relief cut on #2 last summer. I decided to change both gaskets to new style, even...

Ive been to North Carolina a bunch, I like it there! Back to the brake system, disregarding the unanswerable question of American tort law, does anyone have any major concerns with a system like I described/ linked to? The way I see it, the system gives us a major margin of safety in the form...

Like I said, its just another option if someone wanted an original brake pedal and fully hydraulic system. The super duty vacuum pump is a smallish electronic pump, and one of the more robust things Ferd ever engineered. They used it on the powerstroke trucks to run hvac, hubs, and boosters on...

You can be sued if someone breaks into your house and hurts themselves... One of the many advantages I see to a system like this is the use of non specialized components. The supply of airpaks isnt infinite, and the last ones were built a long time ago. Personally, I think it would be a waste...

https://www.powerbrakeservice.net/aibrsywi1mac.html?viewfullsite=1 I understand the misery of disappearing links, But most of the pictures I can find might be copyrighted, and I'd rather deal with our mods, so here is a link to a setup that looks like it would work in our rigs.

I suppose I should have clarified that I was looking more for thoughts on the mechanical rather than the legal, but its not invalid as we're never far from the law these days. Hot rodders have been swapping and modding brake and steering systems since about 6 months after cars were invented...

I decided to start a new thread instead of adding more to the enormous dual circuit threads already in existence. Also, these ideas are not new. I came up with them, then did some research and realized they've already been done, even at the OEM level, just apparently not for deuces. Please...

yep two studs, two bolts.

Is it possible someone replaced the pitman arm and indexed it wrong on the steering box output shaft? There's usually either a skip or double spline to help prevent that, but its impressive what brute force and ignorance can achieve.

Changing out the governor spring was/ is a common mod on mechanical B series Cummins and for exactly those reasons. It gave a slight boost in RPM, which was great for driveability and HP, but its real advantage was in increasing the ramp rate and raising the rpm point where fueling would begin...

All else aside, If I was going to put an external, aftermarket 12v pump on my truck, Id look at a full fuel system like used on modified pickups. A nice FASS or Airdog would supply all the fuel you need, and you could eliminate all the stock military filter systems and feed nice 2 micron...

Whats leaking from the head area, oil or coolant? Exactly how much haze is coming out the breather? Its an old and old style engine, a bit of haze out the breather is not unheard of after working it. There is a huge difference between driving around and actually hauling, so if these hauls are...

The line running between the flame heater and booster pump is a right pain to access down at the booster. I only removed it completely this spring when I had to lift the engine and pull the pump to replace the booster pump seal.

That 6.8 can move an f550/ trailer combo that weighs more than a deuce faster than a deuce can go all with a 4:88 or maybe even 3:55 rear gear. It will have absolutely no problem hauling a loaded M35 around. Being a 2018 theres going to be a non trivial amount of wiring involved... make sure you...

I can't say as Ive ever heard of negative post noise before. Modern computerized cars definitely have 'noisy areas', and there might be some RF or other interference around a running alternator, but by and large digital test equipment wont be effected by it, unless you're using a scope or...

maybe a 7.3 powerstroke turbo? the engine size is about right and IIRC 'strokes didnt get any turbo electronics until the 6.0. Not sure about mounts and clocking though.

Exactly. if the manifold/ head castings/ valves can only flow so much air, theres an early point of diminishing returns on increasing manifold pressure. Likewise, increasing the volume and heat going in increases the volume and heat going out which, on a multi, will probably manifest itself in...

While it is a very sturdy unit, the HX35 is barely adequate for a mildly modded 5.9, and while the 5.9 is a much better flowing and energy dense engine, it is also a lot smaller in displacement. With what I consider to be mediocre flow characteristics and low power density in the LD, I think...