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Since you have the pump apart, I put my head on a belt sander to clean it up. I know it's not a true surfacing job but I figured it would at least clean up any corrosion and make it seal up a bit better. I also cleaned up the valves and such. Works much better now. Still not great but after...

Yep you are thinking gas engines where lean burn raises the heat of combustion and EGTs and rich mixtures cool the burn and drop EGTs. In diesels the more fuel, the more heat (more EGTs).

We find most 'as set' 6.2 and 6.5 engines are pretty detuned. Adding a little fuel (not 'rollin' coal' by any means) and slightly advancing timing from military settings goes a LONG way! I am guessing the rebuild pump got tuned to civilian or slightly more fuel and timing.

LEDs usually don't care if it is 12V or 24V so I use them whenever possible. They also dont fail like incandescent and use much less power too.

Way way way back when we bought our FLU we got a really good deal on it. It had 17 miles on the odometer (real, not a reset) and still had knobs on the tires. Despite this it was being sold as a non-runner and it was. Well it turned out that when the Service Builtin came out requiring fuel...

I have upwards of 15 different brake reservoir caps all with standard 3/8 air line fittings attached to them for all sorts of cars and trucks. I use basically a pressurized weed killer setup with it's own hand pump and gauge. The reservoir in it can take any brake fluid you want so I just...

You can put in 5 different temp senders and get 5 different final readings. Though not the most accurate an infrared temp gauge can give you some backup to what the gauge is showing you. Also these engines are notorious for air/steam pockets at the back of the block which can reek havoc on the...

Welcome from Kamas, Utah. We own a FLU419 as well for the ranch and our company Paradox By Design works on upgrade kits for HMMWVs and CUCVs as well as their civilian counterparts so lots of trucks around on a daily basis!

This also might be a bad starter solenoid. When the solenoid is engaged electrically the electromagnet keeps it engaged with the ring gear but a spring retracts it. If it is rusty or the spring is broken it will not retract and run on with the ring gear.

Haha! Its on the way! ;)

OK call it a shameless plug but... If you add a Paradox By Design Cooling Upgrade kit you will find all the remaining gunk in the system is a fast way. The reason it is taking so long to clear the system is the rear of the block has horrible pockets that hold air, rust, grit, etc. After our...

I put the hand throttle 1/2 inch higher than the idle stop, no prime, no ether and she starts right up down to 0 deg every time. One very very cold morning (my ether can is empty and cant remove it, stuck) I did give it a shot up into the snorkel during cranking and is fired right up. So I...

Since we work with a lot of hose four our HMMWV and CUCV cooling system upgrade kits I might make these if there is enough demand?

If anybody has a few spring sets sitting around and would care to measure the free length of each type, I have a spring builder from my days in Motorsports that can make up springs in any rate and even progressive. The military sprung these to carry a lot of weight which is not normally needed...

High lift jack will do it. Just make sure you have a good base.

Going forward, I think we can come up with a solution which will extend the normal 90 degree fitting packaged with the CUCV kits out a few inches to clear the governor on 1031 trucks. We can also change the hoses to accommodate the new position. We can then make this a kit option when...

I get 15 MPG in mine but it is not stock. I have the Paradox Cooling upgrade, new and yet to be released electric fan system (mechanical fan is basically never on), but my pump is turned up a bit too. This MPG is not just on the flats as I am in Utah going up big grades a lot.

I really like to also heat the oil pans too. Both the engine and the tranny. Cold oil is not a happy thing.

We will get it on the way! Don't think there should be any issues with the governor but we have never had a 1031 in the shop either so I guess we are going to find out. We can always change things up to accommodate if need be.

As mentioned there are significant differences between the HMMWV kits and the CUCV kits. The Full CUCV kits have accommodated the glow plug sensor. If your application is modified from a stock HMMWV or CUCV we have existing kits or custom one-off kits we can build to accommodate nearly every...