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Eventually everyone is expected to download and start using the free TMs on this site, all your questions can be answered there, the folks here like to help but continuing to look up readily available information for someone else does get tiresome after a while. Is this what you are talking about?

Pictures please

This may help

The 4L80 has a .75:1 4th gear, the Allison 1000 has a .61:1 6th gear. (BTW 5th is .71:1 still taller than the 4L80 in 4th) SO With the 4L80 and the companion 2.73:1 gears you would be turning about 2900RPM@75MPH VS the 2200RPM with the Allison and the 2.56 gears If you were to put the Allison in...

You bought a non fording CDR valve, as stated above just tie the unused hose out of the way.

I did the 10K service (since build) on the DuraVee, all fluids and filters but for the Allison just got a spin on filter change. One thing I did was replace the lower oil pan (sump), when the donor truck rolled several times the Duramax engine pulled completely free of its mounts and that sump...

I am also glad I do not see "that" view anymore, down here if it takes two lights to get through an intersection they send out a news crew!!

The red arrow is possibly radio power which is could be cut off somewhere.

NICE!!! Is that a ground terminal that is also coming out of the transmission harness?

Welcome to the forum! Do you have a high amp plug for a shelter in the right rear foot well? Just wondering where those large cables go, make sure they are secure (not cut loose during demil) before hooking up the batteries.

Welcome to the forum, we have a classified section, all wants should be posted there. You do not have to be a supporting member to post a wanted classified.

Yes 291A/290B will be hot but 290C/291C should not, remember to check with the wires connected

I would have pulled the bolt before draining to confirm that is where the water is coming from, you could always stick it back in until you drain the system.

Also do not start multiple threads on the same subject, the other post was deleted.

The bolt holes in the front of the head do not extend into the cooling jacket, unless someone drove a bolt that was too long breaking into the cooling jacket. I am not sure that is even possible but some folks go to great lengths to screw things up, I suppose it is also possible the threads got...

I need to pull some maint. on the DuraVee so I put the tires back on for the first time since the tear down so I could swap it around in the shop, was nice to see in rolling again. It is also nice to be working in the shop again after almost 2 months...

Make sure it is not coming from above somewhere, the picture is of little use. If it is not coming from above (water cross over etc) it sounds like the water pump or the timing cover behind the water pump is leaking.

Have you replaced the missing CDR valve? if not you have an open path into your intake, any debris gets in there you will be looking for another engine

This is a fairly common issue, I have searched the past threads and there seems to be no clear answer. Here is the supplement for the 4L80 and a snapshot of the schematic, make sure there is NO voltage between 290C/291C and ground with the run switch off, do not disconnect it to check, use a...

Welcome to the forum!