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Watch your speedometer needle when you start moving. See if the noise and the needle movement is in synch. The speedometer head tends to make noises if it hasn't had attention in a few decades.

Is there a number tag on your extra wire?

The suggestion was made a few post up to start the engine with the injector removed. That is why I wrote that. Steve, I went and looked at a head I got sitting in my class. Maybe taking an old screwdriver or anything with enough length and strength for the job and after getting the end red...

Make sure you check the brakes and steering system out pretty good before you go blasting down the road at 80 mph. It is a 30 year old 5,500 pound truck. While it will run in the 70-80 mph range all day long. Your best mpg's will be around 60 mph with the stock sized tires normally.

Dang Steve. If I understand it correctly. The compressed air method won't work because the tip is stuck against the back of the pre-cup? Pliers or anything you have stuck in through the injector hole aren't able to keep a grip on it when you try to pull them out? Right? You need to either...

OK. I went and pulled one of mine and it only had 4 is why I asked.

I have only seen 4 groove HMMWV pulleys. Are you sure 5 groove ones exist?

Here is a picture of the GEP pump with light rust as removed from my engine in front of a new HD serpentine pump.

Did you put on new fuel lines when you did the filter swap or just re use the 30 year old ones? You seem to be getting fuel to your filter ok. The 1/4" line from the filter to the IP could have cracks in it that you made bigger moving it around during the filter swap. That would also cause...

I just zip tied the loose plugs and extra wire to the rest of the engine harness that runs across the rear of the engine so they won't flop and make a thunking sound. 4 trucks done that way now.

Does the new column have the metal horn ring with the 3 screws that are supposed to have plastic spacer on them or the newer 4 spoke wheel with the horn button in the cap? I would suggest if it is the old style/CUCV style of horn button to remove the metal ring and then try the fuse. If it...

This is going to be more questions than answers. Are you sure the inline electric pump is actually pumping or just running? I have had several new pumps the last few years last a few starts and then die internally. If the pump is actually good, is the rubber hose at the fuel tank new or 30...

Rich, the paint shop behind the Whataburger on Texas in Bryan has it. I was just there yesterday getting the SEM burgundy which is an exact match for the interior. I had them order 4 cans for me and picked them up. I went ACE flat black on my inner fenders for the Cowdog and it was a mistake...

That is the same basic engine with the same basic support components as the CUCV trucks. The -20 manual has a great troubleshooting section on drivability issues. Basically, change your fuel filter, check your lift pump flow, check your air filter and then you get to the things which will cost...

Oil cooler lines and turbo oil supply. All of the GEP engines and I think 1997 and up GM blocks had 1/2" NPT oil cooler line fittings in the block compared to the 3/8" NPT all 6.2 and early 6.5 engines had. I was caught unaware when I went to add a cooler for test firing my GEP engine a few...

Thanks for the information Rich. Glad you got a genuine block too!

Good to hear that about Leroy diesel. You are close enough to go complain in person even.

Pull them apart. Your seals probably are still good. If not, the TM has the part number and there will also be a part number on the seal itself once you have it in your hand. Between the two, I they are different, you should be ok.

The above will add power, but still have it below what any new turbo diesel truck comes with right off the dealer lot. If that is the goal, then get a newer truck. Also keep in mind that the CUCV trucks were made when the national speed limit was 55 mph, it was expected to be slowed down on...

That just stinks Rich. My engine is a 2006 so I can't help you any. Sorry.