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Yea because these are both injector pump and injector, it takes a pretty special rig to hold and feed fuel, as well as manipulate the rack, compress the mechanism repeatedly and monitor output pattern and volume… if you find a place it will probably be overseas(south America, Europe or Asia…...

I have only seen it listed overseas. It is a metric port valve with the adapters on each end to provide a US standard. It uses the disc also as the sealing material, unless it has been beaten to death with a hammer and the case is cracked, if it is leaking, the disk rubber has deteriorated...

In the case of the PPV used on the LMTV, they may have selected an adjustable to tune its interaction with the CTIS pressure switch. The CTIS switch closes when it passes above 117PSI and opens again when it passes below ~89PSI. Since CTIS can draw so much air, the controller uses this switch...

I might have some, i took mine off, I think I threw them in my parts box…

The C7 can, yes.

Yep, that thing(splined hub). Looks like a pretty substantial chunk of steel... Idea on how much it weighs?

While you are confirming cable destinations and cable connections, when you get to that starter ground connection, follow the strap from front of starter to frame rail, remove the bolt, strip off the chassis paint to bare metal, discard the star washer and re-assemble with the strap end right...

OK, so an A0 truck. Where exactly are you measuring/where are the meter leads connected when you see the drop from 24 to 12? The ground lead from the battery runs to a device near the polarity box called a shunt(used to measure current flow) and from there to the front of the starter motor...

Yep, almost 3x…

Can you shoot a pic of the side of the plate carrier/center component that engages the forward face of the thrust bearing? i am curious what it looks like. Based on the radically different thickness between the thrust bearing pack and the thrust washer I am thinking that once Allison started...

thrust bearing pics?

The glue that binds the clutch media to the discs is water soluble. I guess it depends upon how long it has been since it was first run and the water mixed/emulsified with the oil. if it has set like that with emmulsified oil for long, the C7 difflock clutch pack may be toast as i believe...

Any sign of water at the transfer case drain?

The rest of the important grounds are from the front of the passenger frame rail near the cab hinge, up to the inside of the cab tunnel. inside there should be another from cab tunnel to dash and from there to main ground test point which is also connected to TB2, which is the main power panel...

Every ground connection I have seen on these vehicles is junk, with star washers biting thru the CARC paint coating. I would not call any of them "fine" until you strip them to bare metal on metal connection... What NDT said is absolutely vital if you are running 4 batts...

Yep, there are a couple places that require 5 pin relays to operate properly. As seen in the diagram I posted earlier, When K02 energizes it feeds a whole series of circuit breakers to power the various circuits...

" The worst thing you can do to a vehicle is let it sit, run it for everything it's worth, then put it away wet. " Except the brakes, don't put the brakes away wet... Yes the LBCD controls the disconnect relay, to save that alt from the oversized battery bank. If you drop to 2 batteries you...

When you flip the ign sw, you should be able to feel K-02 in the panel click...

Yep…

In electronic, C7 in the A1R trucks(04ish and up). The 3126(99-04ish) has had its share of issues, but there are a fair number of them out in the wild operating, so… The 3116(pre 99) is all mechanical if you are into that sort of thing:) Also a lot of those out and operating…