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I get the impression that what's being said is that in some cases, the fuel source for the runaway is other than the injection pump, so that the cutoff performs its job, but does nothing to stop the problem. Of course, the cutoff cable and other safety gear for the truck should be working to...

I'm curious: I thought the P-38 had good high altitude performance, despite being fitted with the Allison engine. I always wondered about that until the CAF brought some B-17's to Lunken Airport in Cincinnati. I hadn't realized until then that B-17's had turbochargers in the lower rear area of...

My concern was that their army might want to build a re-militarized HMMWV from the H1 information. But I'm thinking that they could have just bought a few H1's and surplus HMMWV's from overseas (if need be) and just engineer them up anyhow. It's not like they don't have extensive experience in...

I have a reprint of the Chilton's manual for 1940's cars, and it includes information on an optional PTO for the Willys CJ-2 / CJ-2A. I always thought it was interesting that they'd worked to make it able to do so much. The PTO ended with a large spool, which I guessed was intended for the...

One problem appears to be that there were a lot of retrofits, and rebuilds. The engine codes LD-465 indicates a non-turbo, LDT-465-C is whistler turbo, LDT-465-D is non-whistler turbo, but the turbochargers were added on to reduce smoke and not to add power. I'm not sure if the Army may have...

Do you need the whole bed or can you just replace the fairing? I thought the side panels were made easy to replace since a lot of people bang them up. Of course, there'd need to be some repainting to prevent rust...

Last one looks to me to be a Willys CJ-2 (not sure about A). I thought the Ford version had the recessed headlights (which could be flipped up into the engine compartment for repair work) and the civvy / Willys version had hard-mounted headlights. Lack of indentations in the driver's side for...

Well, I would want to mention that I a.)don't yet own one of these and b.)haven't worked on many GM diesels. So as much as I'd like to help, use lotsa common sense with any of the stuff I point ya toward. It might be the answer, or might be a wild goose chase. Glow plugs: you can check...

Hm. Does the engine breathe right? If it won't run with starter fluid then I'd wonder about compression and cam timing (did someone put a chain on it wrong, or did it jump time). It sounds like the past owner replaced a lot of parts, and if the starter was fried to begin with, then the...

Hm. Wish I knew more about those systems. The ether and other items bypass the fuel system allowing engine start, so that proves you've got good compression and cam timing. Would it make sense to loosen an injector line at the cylinder head to confirm whether fuel is being pumped to the injectors?

Shanahag, If the new relay really is good, then you might check the 'start' wire from the ignition key switch system. See if the ignition switch is sending voltage to the relay all the time. I really doubt it's the problem, since if that were sticking, the starter should spin as soon as the...

If you're pulling the starter, take a look at the flex plate (the big gear thing in the bell housing) and make sure it doesn't have teeth missing from it. There's a lot of reasons why a engine won't start well, including the starter turning the engine too slowly, timing being off, or air in the...

Are you sure you got the wiring correctly set up? Is the vehicle a 12v conversion or factory setup? Most starters use a spiral shaft to make the drive gear 'climb' the shaft when the starter rotates. I've heard it referred to as a Bendix drive. If the gear is not 'climbing' the shaft on...

Hm. I'd recommend doing some searches in the EAA (Experimental Aircraft Association) websites, as they work with classic certified aircraft, restored warbirds, and amateur-built aircraft. I'm curious about where you found that statement. As a pilot, I'd think the best reason not to use auto...

I don't think the military uses the 24v so that they can use smaller wires in Deuces and tanks and tractors. On land & water vehicles you want to keep a larger wire for durability, vibration resistance, and corrosion survivability. Also the land vehicle design engineers will pick 12-14 gauge...

Wow, something I can really weigh in on! As we know, standard car batteries are wet-cell lead-acid batteries. The plates are in a liquid water/acid bath. Advantage: easy to add water when it evaporates off, or if some 'boils' off due to overcharging. Also inexpensive and simple to make...

Here's a puzzle for anyone who's in engineering: Assuming a single vehicle (let's say with a GM Diesel engine so it makes sense): Using a 12 volt starter should take 2x the amps of a 24 volt starter to rotate the engine. But: Assuming that the armature length in both 12 and 24 volt starters...

24v was/is a popular standard for piston driven aircraft since it allowed all the wiring in the airplane to be smaller diameter. This allows a smaller size and weight of the generator/alternator and the starter. It's my understanding that one of the reasons for a 24v MIL-spec voltage was so...

I'm not sure if this will help; but - most tires get thinner at the sidewall , the tread is the thickest part of the tire. I think this is where the newer off-road tires are starting to come out with more of a 'wrap around' tread design. Based on this picture BFGoodrich Mud Terrain T/A KM...

Most fuel caps are set up to hold air pressure in the system, and allow air in when there is reduced pressure in the tank. This is to prevent fuel vapors from escaping the fuel system and getting into the atmosphere. Generally there will be a method for getting the fuel vapors to the engine...