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The balancer should not have an effect on how the engine runs. Was the old one separated or something? Might just be a feel thing. How old is your fuel, fuel filter and air filter? Maybe you got caught with old summer fuel in the tank and cold weather? Or, you put in winter fuel that has a...

Dang Rich. I am sorry to read this. I have wanted to write or call the last few months but figured the hurricane and its clean up had you running too much to sleep, much less think about the truck. Do you want a bare 6.5 GM block to compare measurements with? I have one here in my class that...

Those would almost fit at the rear of the fenders. Kind just the other side of the hood hinge mounts. NO!

I finally went for a drive longer than 20 miles with the outside temperature below 90°. I have never done that in this truck. Sunday was actually below 80°. AC on, cruise set at 75 mph and lots of hills. Never got over 203°. Just confirmed my suspicions posted about above. I got it real...

I am glad you found something not correct after going to all the fun involved with removing that switch. However, the fan motor part still might be hovering out there. Did you remove the ground wire under the hood from the fan motor, clean it and put it back on? Both ends? Also, remove the...

How did you load test your batteries? You either have a bad battery, loose or corroded connections or now that you tried to turn the engine over with the smallest wire from the batteries. A burned fuseable link. Start with checking the batteries separately with a real carbon pile type load...

I concur. No louvers on the Cowdog.

Hood louvers! Several people with v8's in the M715 truck have found just propping the hood open an inch at the front will drop coolant temps 10°-15° on trails.

I have a separate oil cooler along with a separate transmission cooler in front of the condenser which is in front of the radiator. Engine oil cooler is air to air with the oil never going through the radiator oil cooler. The transmission cooler is also air to air with the fluid going through...

Glad you found belts that work for you. I have 3 CUCV belt systems on the road just about every day. 1 of them likes different sized belts than the others. I haven’t been able to figure out why. Without turning this into a Ford versus Chevy type debate. All of my Diesel engines eat any brand...

Ahab, I read a lot and research just about all the time. I took several boxes of old metal parts and bad fasteners to the scrap yard Monday. I found out $4.00/100 pounds is the going rate currently. But, I also found out the Cowdog weighs 6,974 pounds with me in it. That is 1800 pounds more...

1988 k3500. 6.2/TH400/NP241. 14 bolt semi float. Pm me your email and I can tell you more. Yes, speeding up the water pump probably would help. I’m kind of stuck in “in between land” on this issue. Square body truck designed for gasoline engines, Diesel engine designed for 55 mph speed limits...

I have been driving and driving it. Last Sunday I was meeting Colton for bonfire cut in the middle of nowhere. He had sent me an address that was wrong. I found myself 15 miles from where I needed to be and about 3 minutes to get there. Nothing but dirt roads with 90° turns. I discovered some...

One of the early multifuel TM's actually said something along the lines of. If the truck is smoking, dripping, leaking, running eratic or just about anything else. Load to max gross weight and drive 100 miles. Then recheck to see if problem still exist. These things like to be run hard.

Open or closed knuckle doesn't effect the castor measurement. I have the stock closed knuckle D60 on my M715. When measured by a Hunter Engineering alignment machine, I have 4.5° castor. You didn't state in the first post that you were trying to set up stock axles.

Somebody sure did care for that truck. Military looking horn too.

Thanks for posting that Rory. I was mentally composing how to put down the same basic thing you did when I saw that you had done it. Only good experiences with them for me. I am also 2 hours away if you figure in traffic.

Yep, the injectors are wrong inside. Did you by chance get some of the "marine" injector internals off an online auction site? They are for the shorter 6.5 injectors, not the 6.2 injectors. Just a little bit of size difference gives you that leak and noise.

The CDR is supposed to be hooked up before the filter. There are several versions of the CDR. 2 versions that bolted on somewhere and then 2 versions that fit in the valve cover on the 1988 and newer engines. The valve cover versions are turbo and non turbo. There is a difference. There...

That is the same place Andy. I just couldn't remember the name and have no paper work hear in my class. Glad you got it working.