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I eventually replaced the main feed hydraulic hose from the fuel pump to the fuel filter. The old line looked perfectly fine to me. After replacing, the problem persisted. By dumb luck, I noticed the adapter fitting between the pump and hose was a swivel type. It was just barely loose. I...

Was reading that possibly the Navy Seabees got it. But I haven't found anyone who's scored one of their trucks. I'm noticing the USMC without ABS also doesn't have the Haldex dryer. Not sure if that's a good or bad thing for the rest of the system. It's obviously one less thing to maintain though.

And for the winch/dump truck hydraulic filter, it's a canister style. Napa FIL 1467

That's right. I couldn't remember how the ABS upgrade factored into that story. Funny enough my USMC truck doesn't have ABS. I'm wondering if I should be scared or not. Guess I'll try the cable lube on the other trucks. Got a preferred lube?

How does your torque coverter unlock feel when slowing down? I've read that their unwillingness to unlock was a huge problem in the military, killing lots of soldiers. Not sure if any MWO's addressed that or not. But all of our trucks you can absolutely feel the harsh torque converter unlocking...

Why are the hard tops always caved in? Are they just that weak that heavy snow caves them in? Or did the military do something stupid like storing stuff on top of them? Or would soldiers crawl over top of them haha? Every one I've owned has been caved in like bear sat on top of it.

Is this the convoy with the Willys that goes across the US, mostly at super slow speeds? Does it go thru Nebraska? My friend was telling me about that one. Sounds like it can get pretty hot!

Have you by chance checked your mpg on the van?

@Mustangsud have you been able to check the mpg at all? I'm considering engine-swapping my 934A1

No - if you can read plain English, I was asking where you were getting a transfer-case rating of 55mph from. 7 years. 7 days. 7 months. Age of a thread really doesn't have anything to do with anything. That's why we have forums, so we can archive info for people to find in the future.

Yes, I like waking the dead :hammer:

Still never answered my question. Where does the 55mph t-case restriction come from??? Plenty of guys out there driving 65-70 on these, myself included. Never had a t-case problem.

My dash plate reads 63mph

Where are you getting that from? The M923A2 has a dash sticker saying 63mph is a safe cruising speed, and all 939's use the same t-case.

It tightens either way eventually. Mine was loosening in both directions. Ultimately determined that's because it was already set at maximum tension. I just picked up a parts-NTC-290 for its turbo setup and other goodies. It has a very simple water pump belt setup. It uses both grooves and...

I noticed there were 2 or 3 posts on here talking about the P7100 and the 6CT. The M939A2 DOES NOT come with a P7100. It has an MW pump, similar to that of the early 90's DT466's. You don't "just grind a plate" or "slide a plate forward" and gain 100hp. @Neverenufhp has a lot of videos on how to...

I feel the exact same way! I've always taken the sawzall to the muffler before the new car even comes off the trailer, but the 855 was just too much for me when I tried it on my 934. I now realize that there was something funny about the acoustics of the 934 with the pipe being between the cab...

Awesome! Glad you stumbled up on this! So for my question about exhaust placement - does your stack being in front of the window vs. behind like on a 900 series make it unbearable for long trips? I definitely had to have my Deuce's RH window rolled up if I was driving it more than 10 miles, or...

I love it! Thank you for sharing all of this! But don't you mean they made the best HP at 2000 RPM? Torque was rated at 1300 RPM.