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Yes, the oily white smoke on cold start up is the indicator of failing glow plugs. Ohm check them all again to make sure they are good. This video is for 12 volt CUCV glow plugs, but it gives you the idea of how to check them:

Since issue started at operating temperature you are correct it isn’t a glow plug issue. I was hunting for a stuck open injector or 8 in my last question. But, you have no hydrolock and normal cold starting. That means your injectors are holding back fuel When the engine is off. Does it smoke...

I agree. Dirty white is normally too cold for complete combustion. Does it start right up when cold?

Does it have a coolant smell? Is the smoke puffy cloud white or angry storm cloud white? Puffy white with a coolant whiff leads to head gasket. Dirty white is fuel normally. Have you checked your coolant level with the engine cold? Do you have a way to do a cooling system pressure test?

TM 9-2815-237-34 is the HMMWV engine technical manual. It has everything you are looking for plus more.

The PTO should not be spinning with the clutch pushed down. Combined with your grinding gears. I would suggest looking at the clutch linkage and see if it is still intact.

The ones vertical seem to be M715.

Normally only 1st and reverse can be selected if the PTO is engaged. Get the PTO back to the neutral that the lockout plate will hold the PTO shifter at. It sometimes takes a little wiggling to find that neutral.

Nice set up and process. You do realize that some government types might call what you have as a refinery. Which has all kinds of regulations. Keeping a lower profile is probably a good idea.

Do you have the flame assist cold starting set up? The fuel line for that is plastic and when cracked can leak between the engine and turbo. Something to check that is an easier and cheaper fix than the turbo.

I understood what you were getting at and agree it is a good modification. I also agree with voting. Done.

Everything that bolts to the 6.2 engine is metric. The rest of the truck is a guess. M10 x 1.5 sounds correct. There is a nut on the other side of the water pump holding the solid fuel line clamp. You can remove it with no chance of causing any leaks easily. It should be the same size and just...

The water pump pulley getting pulled from both directions is probably why your passenger alternator was still installed. Here is a video about the power steering tool: I put the tool on upside down because I couldn’t figure out how to film and hold it the correct way. Then I forget to...

Put me on the list.

They make a lot of noises that take a while to get used to what is normal and what isn’t. Are you wearing hearing protection? That is a must and also makes things sound totally different. Do you have good oil pressure? Look at your hood hinges at idle. They tend to get loose and bounce like...

OK. I just read through 4 different tow bar TM’s from the 1960’s to the 1990’s. They all say to put the “foot” curve up for towing with all the wheels on the ground. However, for the HMMWV only when lifting and towing they show it mounted curve side down as you have it. I must have confused a...

Turn the feet over before you actually tow with it. I have seen pictures on this site of broken bits and all the TM’s say don’t run with the towbar feet upside down like they are in the picture.

Temple would be very nice. Yours is looking very good.

Reading this it finally dawned on me. My M715 is going to go from the only m715 that sometimes shows up every few years at club events. To a very ugly duckling. I’m going to have to tell my truck about your progress. It may never run again. Looking good. The humids came back this morning with...

Looking good. This ”cooler” weather sure does feel hot in the afternoons the last week or so.