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The cartridge valves were made on a military contract with special part numbers. Those literal parts don't seem to be commercially available anymore but what you can do is get like-parts at similar pressure ratings from their commercial product line. The Parker cartridge sizings are standard, so...

It was shaking violently? Yikes. My truck is (was?) nice and smooth.

I'm telling myself on the bright side that at least with all this I can try to solve A/C at the same time. I have one of the HVAC pods sitting here for the cab, with the A/C.

Maybe I need to do a poll, haha. A) reman / new engine B) 2nd LMTV C) swap (6CTA/etc)

Another version of all this, of course, is for the money I just double down and buy another LMTV. Make a good truck out of the pair, pallet the extra Allison and axles for a rainy day, pick it over for good parts, and scrap the chassis. My one with the bad engine is in phenomenal condition...

"A strategic investigation for fuel economy improvement of medium-duty tactical truck: preliminary simulation and experimental results". Y. Gene Liao, Allen M. Quail Jr

Some data. Checkout that fan...

TBH I worry more about parts availability than cost. Like when I had these problems, I needed a new water pump cover, which is just a part in the normal water pump assembly that is normally sold as a complete unit. One was sitting on the shelf at cat in Seattle, for $40. I don't really care if...

The Allison would need a few things, probably most notably throttle position. That's what the little box is that takes-off from the throttle on the driver side. The existing sensor is divorced though, and Allisons on cummins is a common application.

I specified because the Bosch isn't the only pump available. snowtrac is right that sticking with another 3116 is easiest, but, the 6CTA engines seem to be cheaper (absorbing the costs of having the charge lines, exhaust, etc all fabbed again). They also seem to be easier to work on although I...

I admit I am getting pretty 6CTA + P7100 curious.

But will it fit. Not a lot of room under the cab...

It's parked at a friends in Bellingham. I haven't decided if I'll do the swap myself or just have it towed to a diesel place to get it done (since I can do that from Arizona). I need to take a deep breath and go through the what-next... Another 3116 (used, reman, NOS), or go up to a 3126 or C7...

Brother!

Yeah I mean all the oil could have dumped on the tires right. I always worried about that riding motorcycles.

I don't know what failed, but the oil sure left in a hurry. It was dripping off the rear mud flap. Weirdly none of the local tow companies were willing to move anything heavy at 9pm so I had to leave it, so I'll arrange to get it moved later today, and maybe take a closer look. It's kind of a...

So in the end; replaced the alternator mounting hardware, radiator, belts, fan clutch, water pump, some of the silicone hose (wow that is expensive) for the charge lines, and a lot of the fasteners. Got it all buttoned up real nice. Made it ~70 miles up I-5... and the engine exploded. Blew all...

But where are the pictures...

I wish my neurotic oil pressure gauge worked that way. And I forgot to pickup a new sender when I was at the cat dealer today...

I don't know what "a little loose" means, like finger tight? That's bad if so. My bolts all seemed to be right, including the bolts that hold the fan clutch to the engine. Mine didn't have loc-tite either (like later became required). One thing I noticed though is a lot of the torque specs...