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I'm still doing my best to learn about the different variations of 3116 engines and what is unique (hardware) about them instead of unique (tune). I did find this great history of the FMTV that is worth a read: https://fmtvtrucks.com/fmtv-history/ According to the article: My takeaway from...

well that saves me buying a special tool to take care of that. Thanks!

Wow. That's really clever. Then how do you get the caps back in for re-install.

Could you describe that procedure? I can imagine using a clamp to squeeze the ujoints together. Do you crib the jack up high enough to push from below?

For passenger cars/trucks most people do under 30k miles a year. My dad is a truck driver and crane inspector. He spent his life on the road. He managed 55k a year. If it's not your primary vehicle you might get 10k on it. 10k * 50 years = 500k = one engine 30k * 50 years = 1.5 million miles =...

So comparisons to the 3116 and the C7. This is all from reading so if I get it wrong someone please do step in. :) The governor on the 3116 is completely mechanical and takes fairly limited number of inputs to determine the max RPM of the engine. It governs down the fuel delivery. I know for...

where does the map box live in the cab?

It's going to take a whole lot of driving to wear out this engine. If you get the 500k at 6.5 mpg average that's ~77k gallons of diesel. That's $269,500 in diesel at $3.50 a gallon. Replacement engines are some $3-$16k. It's a drop in the bucket for operating such a large vehicle. As far as...

I figure any vehicle can be reliable as long as you find and fix issues before they become catastrophic. Given this is a commercial engine it has long service intervals and can be operated at limited capacity to limp home. For it to be reliable for me it's about learning how it fails and how to...

I like the thinner oil idea. Can you tell me more about this Cat primer pump and fuel water separator? What are the symptoms of air in the fuel system?

If you don't overheat the engine you should get some 500k miles out of it. There are lots of new old stock and used motors on the market right now. Regarding the fuel injection system: On newer (read more expensive) engines replacement of a single injector (not uncommon) requires no special...

If you plan on doing a lot of cold weather starting of the truck it will certainly cause wear until the engine gets warm enough to oil everything. The ether system certainly will work for starting but warming the block is ideal. My truck has the ether system fitted but I plan on adding a...

I have a winch truck as well of you need help. Sent from my SAMSUNG-SM-G930A using Tapatalk

I just received the replacement rubber air bags. Looking at the diagram does the bag unscrew from the shock? How are you able to get the bag off? When you did the rebuild were the seals needed. Sent from my SAMSUNG-SM-G930A using Tapatalk

I filled it to the edge of the fuel screen but forgot to record the millage. :) Sent from my SAMSUNG-SM-G930A using Tapatalk

I'm finding it tricky to calculate fuel economy because I'm not sure how full to fill the diesel tank. How do you fill and calculate your MPG?

It looks like some kind of grease or lubricant was on the rubber valve. It had completely dried up and crumbled. To get it off I used my knife to scrape the surfaces clean. After re-assembly there was a small amount of air leaking from the edge of the valve but the leak stopped as the air...

I replaced the guts of the CTIS valve last night.

I read somewhere the governed RPM should b 2800 with the actual red line being 2900 but I'm not sure where I read that. It seems plausible it's supposed to be 2700 given how precisely my engine went to that speed. I guess all this concern about adjustments and impairments was unnecessary. I'm...

I finally found one big reason for my poor performance. The previous owner put in a floor mat that was preventing the peddle from going all the way down. My max rpm went from 2400 to 2700 in neutral. I still need to find that missing 1000 rpm. It also now shifts great at 2500 under full...