Thanks for those links. When I read the entire articles in the links you provided you I noticed something - not one suggests using an additive will reduce pump failure. (Except from Amsoil - for obvious reasons I think.) Every one, however, suggests that poor filtration and the resultant insufficient fuel supply are the primary causes of pump failure, followed by contaminants in the fuel. Insufficient fuel supply causes cavitation in the pump and cavitation causes the pump to have metal to metal contact. Additives do not reduce cavitation.

With that information it seems that people would be better served by buying the best quality fuel they can and changing those fuel filters more often than they would be by pouring additives in the tank. The additives may help with normal "wear and tear" that is certain to occur within any moving system but failure prevention is certainly tied to consistent, clean fuel delivery.

Armed with this information I am going to adopt a strategy of consistent filter changes and also running an additive to improve the fuel lubricity properties. I am going to install a DPK as well since I plan on keeping this truck until I die or can't drive any longer.

Thank you very much for the civil, informative conversation. I feel a bit smarter than when I showed up - and that's a good thing.

PS. For the record I'd suggest you not quote ambulance chaser attorneys looking to bilk manufacturers. Their claim about ULSD is stupid and I'm quite surprised it is on their web site. Europe had ULSD requirements in place long before the United States. As of January 1, 2009 Europe's ULSD is 10PPM or less - the US limit is 15PPM. In Germany ULSD is 3-5PPM - and that is where Bosch is headquartered. So, in other words, the CP4 was designed in a country where the ULSD is already 3-5 times lower than the US limit - and has been for years. Morgan & Morgan - for their pockets !! :-)

 

I use these:
No stains so far and the caps seal really well. I have several under the back seat in the storage compartment that are laying on their side without a drop leaking out. They're perfect size for Optilube Summer (4oz per 40 gallons of fuel).

I also bought the 1 gallon bottle of Optilube for $80 and refill the 4oz bottles as needed, which gives me 32 tanks worth. That's about $2.50 per tank, which isn't bad.

 

Thanks. I decided to try some PET bottles that are 10 oz. The glass bottles I've been using take up a lot of room and don't have enough volume.

 

A lot of faith in additives is based on a study from 2007. Available fuel at that time was found to be inferior to many additives, and superior to others. Optilube seemed to win the commercial additive competition, and they have had their following ever since. The actual best ranked agent was low concentration biodiesel--something that never comes up in these "best of" debates. There is another assumption that the ULSD of 2007 has not been changed or improved in the last fourteen years.
Additionally, lubrication damage to your pump can be avoided by minimizing air in your fuel. Turning off your engine while filling your fuel tank will lessen capturing and pumping air through your system, or running your fuel pump for a few seconds before starting your engine to purge possible bubbles can be good habits.
Mitigating water in your system by whatever means you believe in will minimize its effects on your fuel pump and injectors.
There are many ways to improve the hygiene of your fuel system, without actually adding any extra products.
To answer the question of the original post, I have a built right industries seat release installed. I store the special sauce behind my second seat, in a vertical position. Never had any spill or odor issues.

 

I have over 260,000 miles on my 14 work truck with the 6.7. Filters hardly ever changed. Fuel from where ever, and certainly no additives, except winter additive. The truck starts and runs with no issues. close to 5000 miles a month. My personal truck is a 19, and I use additives in that, just for peace of mind.
Everyone has to do their own research and be comfortable with the decision to run additives or not. For me it all comes down to piece of mind. Its certainly not going to hurt anything. And in the long run if it helps a little. Bonus for me. As far as the work truck, she still fires up and takes me to work every day. And still no additives.

 

That statement there is why I really try not to overthink fuel additives. There are a LOT of trucks that live similar lives, fuel from where ever, filters changed whenever it dawns on the Owner to do so, worked hard all day every day, lots of idle time, etc., and they keep on running just fine. With that in the back of my mind, I figure if I do keep up with maintenance, run decent additives and do little things to 'help' the truck live a long and healthy life, I hopefully will make it at least as many miles trouble-free (that's the hope anyways). Wyle's comment though really illustrates that additives are very much unnecessary.

 

I use stanadyne additive. My truck sits more than It's driven. I bought some 4oz. Bottles on Amazon & keep 2 or 3 full bottles under my back seat in a foam box. Works perfect & it's the right amount every time. I just refill a bottle as I use it.

 

I use 4 oz glass bottles for my PM 22a and 23a. I keep the bottles in the box they came in stored in my bed toolbox.

For those of you that use the bottles that the Motorcraft additives came in: I did that before I happened to see the cap seal in the fill tube during 1 use. Thank goodness it did not go down the fill tube.

 

So, I decided that I'm going to use Optilube XPD. I picked up a 4 pack of these and also a gallon jug of it. These look like they will be easy to pour into the tank, and I figure I will just refill the bottles from the gallon jug as I use them and store them in the toolbox in the bed of the truck. I'll keep an eye out for the cap seals though!

 

Amazon small bag wrapped around tie down.

 

My first ammo box was stolen out of the bed of my truck. I had forgotten that it was there. I bet the genius that stole it was wondering WTF was inside the box once he opened it up.