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What have you done to your HMMWV today/lately

Mainsail

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So just for kicks, I decided to calculate the mpg of the Humvee.

I drove it 154 miles between fill ups, and it took 11.54 gallons. So if my math is correct, it's averaging 13.34 mpg.

That's mixed driving around the city, country back roads, and even some trips up and down Rt95 going 70mph.
This would be more informative if you reveal what truck you have... ;)
 

Thunderbirds

Active member
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43
Location
Northern Black Hills South Dakota
So just for kicks, I decided to calculate the mpg of the Humvee.

I drove it 154 miles between fill ups, and it took 11.54 gallons. So if my math is correct, it's averaging 13.34 mpg.

That's mixed driving around the city, country back roads, and even some trips up and down Rt95 going 70mph.

Interesting. I’ve been pushing around the same thought, and for 210 miles i had to fill up 17 gallons (almost even). That brought me to 12.35 mpg on my M1123, 6.5 non turbo. But a lot of idling and starting while troubleshooting. Gonna repeat the test in the near future…
 

Gcelevator

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Location
Fort Lauderdale, Florida USA
So just for kicks, I decided to calculate the mpg of the Humvee.

I drove it 154 miles between fill ups, and it took 11.54 gallons. So if my math is correct, it's averaging 13.34 mpg.

That's mixed driving around the city, country back roads, and even some trips up and down Rt95 going 70mph.
I did the same but towing the sxs and a 4 wheeler in the 16' trailer, a small 4 wheeler in the bed and 4 passengers. Did around 8.5 mpg. M1123, turbo engine and 40's.
 

Mainsail

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Puget Sound, WA
On the deck!



Everything bagged and tagged, or marked on the part itself.
I found an old guy locally that specializes in radiator repair, so I took the rad over to him and he re-soldered everything. Most of these side weldments were broken loose, and my theory is that it put stress on the core enough to start the leak. It was $135 fixed out the door.

1721707002049.png

He took it up to 15psi and it tests good, so back in it went, pretty much the reverse as it came out.

This caution confuses me. Those are all English words, and I know what they all mean, but I really don't understand the message they are trying to convey.

1721707310368.png

So is this saying, make sure there isn't a gap? Make sure the seam and shroud are parallel? After burping the air several times it all seems to be back to working condition. If it fails again I'll replace with an aluminum one.
 

Bulldogger

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Location
Quantico VA
I found an old guy locally that specializes in radiator repair, so I took the rad over to him and he re-soldered everything. Most of these side weldments were broken loose, and my theory is that it put stress on the core enough to start the leak. It was $135 fixed out the door.

If it fails again I'll replace with an aluminum one.
Am envious you found a radiator repairman. There are none left where I live. I went with the Champion and it's great though. Still, I've had other vehicles and will no doubt again have other vehicles that could have used a place that can repair radiators. Take everything you can to him, before he retires!

BDGR
 

Mogman

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Papalote, TX
"Upper edge of shroud must align with radiator tank tank seam"
Seems self explanatory to me.
 

M1165A1

Well-known member
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93
Location
The High Country, CO
Round 2 of air compressor install. Installed bracket in engine compartment together with fabricated rubber rock/dirt guard to keep it clean.

It required drilling a pair of holes in the tub for the support bracket, which I was very nervous about. A small pilot hole, followed by a small diameter step drill, and it came out perfectly.

Compressor now installed, so all the easy bits are done.

Next on: 24V switched electric power from somewhere; 100 amp relay with a throw switch in the cab and a pressure switch on the tank; and then installing the tank, manifold, and air plumbing.


Install 1.jpg

Install 2.jpg
 

Greg841

Member
16
57
13
Location
WI
Robbing Peter to pay Paul. Sidewall split on one truck about 100 miles from home last weekend. (Actually, it probably split about 70 miles from home and I was unknowingly driving on the run flat!). I'm working on another truck that has a nice set of Bajas on it that I was going to change out for more winter friendly tires anyhow. So the other truck now sits on jack stands, baja tires are in the trailer, and I've got some work to do Saturday.

Side note.. I did have a spare tire with me. I also had a 3' hi-lift jack. If you want to change the rear tires by jacking from the rear bumper, buy a 4' hi-lift ;)
 

Attachments

spankybear

Well-known member
833
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Location
WA
Replaced the u -joints on the front drive shaft. The TM makes this sound easy... I was cussing like a sailor trying to get the shaft out. Ended dropping the sway bar... took most of the day but all replaced.
 

badger_610889

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Location
North California, USA
Converted the 4 man M1123 into a 2 man cab and installed half doors. It looked easier than it’s actually been. Doors don’t fit straight, locks are in a different location, So it took a bit of adaptation!
IMG_6823.jpeg

IMG_6839.jpeg

This truck will be repainted sand in spring, so I quickly spray painted some matching camp pattern from what I remembered and could find on line:IMG_0661.jpeg
 
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badger_610889

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Location
North California, USA
The next step for this M1123 will be a hard roof (wondering wether I should source or build one) but now I need to figure some transmission issues - it shifts high rev as if it were full throttle all the time. This happened suddenly.
 

Mainsail

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Puget Sound, WA
Ah, running wire.... Gotta love it. The center table has many wire bundles running up the legs now. With the speakers installed out front, it was time to mount the siren/PA controller and run the wires. With two 100 watt outputs to two speakers, the Whelen is LOUD. Its too loud from the driver's seat, so out at the business end it's apocalypse loud.

PA01.jpgPA02.jpg
 
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