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Sorry, I took too long to write the same thing you already discussed.

It reads like two different issues. Possible glow plug or two or three bad to cause the greasy white smoke and rough start up. Then is reads like fuel is either not getting to your IP or is leaking from your IP once it gets there and the IP lost its prime. Here is the dilemma. You need the...

A power probe won't push the starter or solenoid to work. They aren't made for that kind of a load. It will let you test the power to the big stud and if the purple wire on the small S terminal is getting power to the solenoid when the key is put into the start position. That is the kind of...

My cooler is hooked up different than yours if I understand what you wrote correctly. I have radiator cooler to a stand alone cooler and then back to the transmission. 100° outside running down the highway locked my transmission control module tells me the fluid is 166° to 168°. I have...

Glad the issue went away. Where to set the 4th gear lock up is a question I have been playing with for a while on my 4L80E in my 6.5 powered Suburban. When I first started driving the truck I set it to 44 because a lot of my daily commute is in 45, 50 and 55 speed zones. Need to get that...

How did it do? Mine fired up like it was summer time yesterday morning at 25°.

I don't have a tailwheel endorsement either. But I want one. Back to the truck issue. When I first read your original post my thought process went to idle speed just a hair too low. Others had jumped in with torque converter thoughts and I didn't post anything. Reading through the thread...

Well, that is a loaded question. If the light come on it means the shaft has moved. It doesn’t’t mean 4x4 is engaged. Your linkage to the shaft could be out of adjustment to get 4x4 all the way engaged. Or, the little plastic pads on the shift forks could be worn or totally missing. Either will...

Sorry for the short reply last night. I was tired and just did the basics. I think you have the aluminum NP208. You didn’t state though. The NP208 has a single shift shaft that changes front axle engagement first and then neutral and finally low range. The sensor for the light has a spring...

The sender for the light is on a shift rail inside the transfer case. Which means the light comes on if the shift rail has been moved. Nothing to do with the front axle.

The vent in the filler neck is a 1 inch hose. It can be removed by crawling under the truck behind the rear tire. Since the hose is close to 40 years old. I would suggest looking at it, figuring out how much new hose get, get it and then cut off the old stuff. LMC has all of this hose. There...

A stock CUCV has no wire in the tailgate. Someone added them and our guess is as good as your about what they do or where they go.

Your injectors in the picture look nice and dry. No leaks there. Just the normal valve cover seep.

Are you talking about the injector line clamp that bolts to the bracket on the valve cover?

I have never taken a micrometer to the frames. But, there is always an online argument it seems about how a 3/4 ton frame is just a hair thicker than a 1/2 ton frame with the 1 ton frame being even thicker yet. Since you have both there together. Look at the frame ends and try to see if they...

I have to write this. When I saw your location all I could think of is driving south on I-75 and that climb once you cross the river. There is a similar grade and distance climb in Oklahoma. I was down to 12 mph on the interstate, wide open throttle, black smoke billowing and actually proud of...

Black smoke means too much fuel. Or, not enough air. How is your air filter? Snap-On makes a special injector socket for the 6.2/6.5. A 32 mm open end will work sometimes. The injector lines seal to the injectors or the injection pump with a very fine tolerance fit. A single spec of dirt will...

I know you wrote that you are still getting air. However, my thought process went to brake shoe minor and major adjustment because you changed out the wheel cylinders. Your description of a low firm pedal the first push, then higher and finally firm and high to me read like the air is out and...

When you switch between hi and low do you get a crisp click or more a stirring butter into oatmeal sensation? It is very easy to test. 3 wires, headlight power in, to the high beams and to the low beams. Jumping from the hot wire with the light switch on to either of the others is fine. That...

How does your key turning action feel? Sometimes they get gummed up and hold the starter on just an instant after you let go. The fast starting is something your muscle memory gets used to.