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You can always replace the stock axle with one for electric brakes and run whatever tires the tow vehicle has. With smaller tires can also move the axle to above the springs. Or replace the axle and springs together for some lower ones and use smaller tires.

I suppose it could be the the transmission slipping somehow, but if it's really slipping that much it's probably already toast, and the smell of burnt transmission fluid should be pretty obvious when you pull out the dipstick. Once you hit lockup on the transmission there shouldn't be any...

This will sound a little rude, and I apologize if it does. Everything points towards the tachometer giving you a bad reading. This is the second thread you have started for your issue. The information we have to go off of is: You bought a truck with a hacked up wiring harness. the...

So how to verify any of this? Block the front tires, both in front of and behind, to keep it from rolling anywhere. Put the transmission into neutral. Can instead put the transfer case in neutral instead, but transmission is easier usually. Jack up one rear tire of your truck. Put a mark on...

Now you're talking about a differential gear ratio of about 5.05:1 A work truck will "feel" a different speed than a hmmwv. You're at different heights from the road, different viewing angles, different lots of things. A work truck built for the civilian market will have a lot different "feel"...

2nd gear with 40 inch tires would max out at 4000 rpms at 55mph. This sounds like where you were at. What did the RPMs read on your tach? doh, would be over max. How about this to check it out. Put the truck in first gear. Drive at 25mph. Your tach should read right about 3k rpms. Or do...

At the bottom of your posts there should be an "Edit" option right about here -----------VVVV

if the rear end is fried you aren't driving it anywhere. Either jack it up and rotate the wheels and count driveshaft rotations to figure out the gearing, or pull the differential out and pop the cover to check and count all the teeth on both the ring and the pinion to figure out the ratio...

the ECV/REV manual only has one part number each for ring and pinion.

manual wheel brakes for parking and keeping it from rolling. Nothing to do with the air system to my knowledge, just a mechanical parking brake same as the parking/emergency brake on any car. Nothing to do with tilting

C, but it had some minor issues with the cancelling lever, so I pulled it out and treat it the same as A or B

okay, so with 40 inch tires if you are in 3rd gear it would put the differential ratios about 3.18 at 3300 rpms. If the tires are actually 39" diameter instead of 40", then it puts it right back at 3.08 where it's supposed to be. 67mph at 3300 rpms would be 39.9" diameter tires back at 3.08...

All the ECV/REV trucks should be geared 3.08. I haven't heard of lower gearing than that in any military HMMWV, but I suppose it's possible somehow. Always the chance the wrong gear for the speedometer is in the transmission, or maybe you're getting stray signals to the tachometer causing it...

Usually you only have issues when it wasn't thoroughly flushed. Dexcool does have a bad rep though. That being said, if it was my rig I'd replace it. The coolant is relatively cheap compared to the cost of repairs to the cooling system if it does cause issues. It might not, but with...

yes, IROAN tends to be the same time as they got the MAK or Red Dot aircon install. Not a real rebuild, and only things that were considered to be issues were supposed to be repaired. From a reliability standpoint, there probably isn't really any difference. If the truck sat for 10 years...

I had the short bracket that went to the exhaust stud. Because my exhaust manifold wasn't machined flat, it put uneven pressure on the exhaust stud. My truck sheared that exhaust stud twice in a couple thousand miles. I replaced the short bracket that went to the exhaust stud with the longer...

That looks like the one I have in my M1123. It works really well. One piece of advice I got about them was to run a ratchet strap around the outside of the case to prevent it from coming open when you are driving, as that leads to bad things happening to your truck.

I found it through a web search; never downloaded it myself.

Sigi, you're supposed to have both city and state in your profile; it's part of the rules for this place. If you are on facecrook, we have a Pacific Northwest Steel Soldiers group for this area. We usually have a few activities a year. There are a few members down near where you are at if you...

In the past reading through a bunch of posts, these engines don't really have oil pressure issues. If something isn't reading right, it's either the sender or the gauge, or a wiring issue. And as was pointed out, by the time you figure out you don't have oil pressure, you're already screwed