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I guess you could paint it? Shame to hide all that Aluminum machining work but OK.

I think the next batch might be all blue but black would be so cost prohibitive in the volume I am doing to make any sense. The AN fittings are just not common in black. Besides a lot of OEM hoses on the HMMWVs are blue!

Update: All orders have been shipped and the last of 4 initial kits was sold locally. I was able to build one additional kit which is now available as the paint dries. I will be building more kits but as the demand seems high I will be taking pre-orders to give people a guaranteed place...

Yes all these engines have the same uneven cooling issues. The GEP engines have improvements to reduce the failures common in the earlier 6.2 and 6.5 GM engines but they still run hot in the back cylinders all the same.

One is reserved for you, pending payment. Thanks!

\ I was hoping for closer to $200 but there is a lot of fabrication and welding time so kits will be $250 each which includes everything you need, even gaskets.

OK I have everything done for 4 sets. Once the paint is dry I can show the complete kit both on and off the truck. The first 4 will be followed by larger batches as demand is determined. I have put together a step by step 'how-to' with pics that will go with the kits.

Well a little late now. They should be in next week. In the mean time I am machining up more of the weld fittings which takes time.

So just a little update. The only hold up right now is AM General as luck would have it. They are supplying the new block off plates and are delayed. Here are a couple of pics showing the custom fitting that will be TIGed to the new block off plates, the AN fittings and the AN hose. More to...

No I dont drill and tap the flat block off plates as putting a fitting into a thin plate and hoping it seals and is pointing the right direction is questionable at best. I machine a weldable bung fitting and TIG weld it to the plate and use a swivel AN aluminum fitting so you place it in the...

The difference between what I am doing and the others is they drill and tap the coolant plates, I TIG custom machined fittings onto new plates so there is no chance of leaks and so sealers etc are not needed. Further the other systems tie into the heater circuit which I found is limited to...

I totally agree about the pics...I will post ASAP.

So guys I am thinking of setting up a pre-buy or deposit for those that are ready to buy and that will fund getting all the parts together. We could use PayPal so your money is safe. Thoughts? Pictures will take a little time as I am waiting to get my truck back from the paint shop. Although...

My kit will fit all three types. It is really an absolute must on the 6.2 to have half a chance. The 6.5 is less susceptible to the long list of ills found on the 6.2 but still greatly benefits. Anything you can do to cool a turbo is needed. Even with all the updates on the GEP engines they...

I dont have pics at the moment as my truck is getting painted. I will provide pics when I get the truck back and I am planning on making a few more kits but that is one of the reasons I posted to gauge the level of interest. I took digital temps across the heads prior to the mod and after...

I assume several of you have seen the cooling upgrade kit that adds flow from the rear of the heads to the heater circuit. Rubberduck makes one as does Flash Offroad. At any rate I have figured out a way to better skin the cat. Those systems have a flaw in that the flow is partially dependent...