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Guys we are tooling up for another batch but until they are ready we are down to only two full CUCV kits and two CUCV-Hybrid (with HMMWV crossover) kits. I wanted to give my SS brethren first crack before they are gone with summer here and all!

You are correct, except not all head gasket failures share oil/coolant, also not all head gasket leaks go into the combustion chamber. It all depends on how and where the gaskets/block/head fails. In his case he was venting combustion pressures into the coolant jacket around a failed...

We are the SS vendor who developed and sells the Paradox By Design Cooling System Upgrade kits. There are 50+ members on here with HMMWVs and CUCVs and civilian 6.2/6.5 trucks as well running our kits. The system does not reduce the overall system temperatures much at all as mentioned but you...

The total amount of flow we adjust is not a lot. We spent a lot of time testing and adjusting until we found the right amount to flow to truely balance the temps.

Indeed they are just go take a look see: www.paradoxbydesign.com Let me know if you have any questions.

RV supply stores have them. Camping world for example.

It sounds like a reseal to me too. Not too hard to do, just time consuming. Make sure to install the seals wet, not dry. Keeps them from being damaged as you reassemble.

Nice! That is the way I like to do it too. I like having easy access to the rear gate.

In a stock system without our coolant upgrade kits, heater full on, fill the system, run the truck with the radiator cap off of the overflow for a few mins, top it back off, and drive the truck. There is going to be air in the heads, especially at the back. In fact we have found that the pumps...

You might have to build a jig to allow for you to precision drill it out and not hurt the threads. Bad situation for sure.

Except in this case the bucket off the ground to aid in the over-center function. For actual work the bucket should be on the ground to stabilize.

Looking good!

I second the Marvel Oil comment. The issue with most military equipment is that it has been run on JP8, Jet-A and other mixes are a very dry diesel which takes its toll on pumps. The Marvel really helps to lubricate the pump. Alternatively Bio-Diesel is very lubricating if your fuel system...

Just want to add that if you are going to be banging on it, first thread on the nut with some gap left for it to loosen up. The nut head is a bigger target and can help you use a bigger dead blow hammer. The bigger the hammer the better this goes. Also securing the hub assembly so it cant...

Are those the same size? They look taller and wider?

I will add that having the stabilizer legs down all the way so the rear is lifted all the way up and the front loader off the ground too so the nose is dipped helps if your boom is a little weak. Worst case go park nose down on a small hill.

Weld it...

As mentioned, the big culprits are the thermostat, Cadillac valve, and dirty coolant. Whenever to change the coolant a thorough flushing is very important as field top offs were often with very dirty water. Also with trucks that were forded, the radiators get very clogged up and spraying water...

We have a blog coming out shortly all about this issue. We have a nice, cheap, bolt-on fix for this coming shortly too :)

That is a CUCV Hybrid kit. Send me a PM with your name so I can find your order. We need to hey you the correct kit ASAP!