For me no, I wouldn’t buy one. I’m not an expert, and I’m sure others will chime in. But if your not going to run bigger injectors, which need more fuel, then it’s kinda overkill I would think.

Frequent filter replacements, quality fuel and fuel treatments. There are millions of diesels on the road without Afyermarket pumps

Also, they do fail, look up and read stories about them as well.

 

Stick with OEM

 

Does someone make an aftermarket kit that is a OEM in-tank replacement??

 

Thank you all for your replies!! I can definitely understand the reasoning behind those of you who would opt for keeping the factory lift pump. The only reason really I was even considering the FASS lift pump is for their claims that their system is able to filter out air our of the fuel. But is air really a problem we should even be concerned about? Or this is really a marketing strategy intended to simply sell more pumps? Can someone with knowledge about diesel fuel system care to educate us on this subject? Is air in the fuel reaching the delicate CP4.2 pumps and injectors something we should be concern about ? Specially those of us who will be keeping our trucks for more than 10-15 years?

 

I would try and search for info that comes from sources that are NOT trying to sell you something.

While I like putting cool stuff on my truck as much as the next guy, there are many, many trucks that go 100000’s of miles with no issues and don’t need anything more that routine maintenance.

 

I've researched it quite a bit and I've asked several tuners their thoughts as well and here's what's come back so far.

1. The factory water separator is adequate enough to keep water out of the fuel system, unlike the previous generation 6.7's system that would foul the injectors
2. The FASS Pump is a great piece of equipment
3. The pump removes air and that can only mean good things for the life of your injectors
4. The FASS Pump in the 6.7 PS runs at a much higher PSI than the Cummins or Duramax which leads to pre-mature pump failure...but it's an insanely low failure rate and if you follow the steps to get their lifetime warranty, they'll stand behind their product.
5. If it were me and my money, I'd only buy one if I was planning on doing any tuning to the vehicle where you know with 1000% certainty that the FASS lift pump will keep your High Pressure Pump fed with clean, water and air free fuel.

 

Worth it? Depends....if you're keeping your truck stock I'd say it's not necessary. If you're doing any kind of tuning/deleting I'd seriously consider on.

The factory water/contaminant filter has been deemed adequate by Ford and many others so there's not a whole lot of worry there...but the air separator would be a good piece of mind for the injectors for sure.

Depends how long you think you'll keep your truck. What kind of driving you do, and how many miles you think you'll put on.

 

Well, first allow me to thank all of you who took time to offer your opinions on the matter. Leaving in California means that I’m forced to leave my truck completely stock. But I do plan to keep my truck for at least 20 years as I do with all of my vehicles. I was just contemplating th to install the FASS pump solely as a reliability mod. For instance next oil change I’m adding an Amsoil Bypass filtration system. So after reviewing all of your responses I guess it wouldn’t hurt ensuring I’m filtering out air from the fuel. But I realize that it is very likely that I will never suffer a failure do to air in the fuel. At this point I’m not sure if I will ever get one. Thank you !!

 

Anytime, I can understand your concern. These are big investments! The one thing you I would consider getting for my truck is the Bulletproof replacement oil cooler. I tow a large 5th wheel and watched oil temps climb. High. The cooler is bigger.

I’ve not got a lot of large trips planed this year, so this truck provably won’t get one. Next one will unless the 2020 improve in oil coolers.

 

I just removed my FASS after about 9,000 miles on my truck. Numerous issues with it to the point I also replaced my CP4.2. I originally ran a sump on a Titan Tank and would experience the infamous 1/4 tank issue. Tech support suggested not to use a sump and to follow their instructions. So, I did. I bought another Titan Tank so I wouldn’t have a gaping hole in it from a sump and have FASS, yet again, blame not following their instructions as the problem. My problem, got worse. Instead of having quarter tank issues, I was not having just under, 1/2 tank issues. Now, FASS was blaming the Titan Tank’s extra volume as the problem. This is BS as a long box truck’s OEM tank is nearly the same size as a shortbox Titan Tank. Last week, I brought my dump trailer to a buddy’s house, had a full tank of fuel and disconnected the trailer. After pulling forward and going over the sidewalk’s curb from the driveway, the truck just died. FASS is blaming improper installation and the Titan Tank. I didn’t know that in order to be a FASS dealer, they’d let unqualified shops install their products. Obviously, they don’t so I can rule out the improper installation as the FASS has been installed twice (once with a sump, and then had the tank dropped again to do it as per their instructions). I never experienced any issues with the OEM fuel pump and the Titan Tank.

Here’s my original CP4.2

 

actually my 08 long box has a 38 gallon tank so it is a good 10 gallon differance

 

An ‘18 F350 crewcab longbox has a 48 gallon tank. The Titan shortbox is 55 gallons.

 

i forget to look at the year they were talking about