Myself and others have made up their own systems. You can get Walbro pumps on Ebay for pretty cheap.

I'm not sold on the air in diesel thing. If this were such a problem, wouldn't all the engineers at Cummins, CAT, etc. have added some type of air removal to their engines already?

 

all the engineers DO know about it.....my guess is they don't want to spend the money to make Airdogs factory installed thing??read here and you can see that they do know about air in fuel....http://www.pureflowtechnologies.com/when I checked it was DANG close to the same price for me to build/piece a walbro kit with big line and 2 micron filter together vs just buying the all in one compact airdog unit that also comes with a water separator and air/vapor separation and 2-3micron filter....

 

Cummins and DD and Cat etc all addressed the problem in various service bulletins.

One function of the CP3 is to bypass air bubbles back to the tank - this works best when the internal lift pump is drawing fuel from the tank - it is capable of up to 20"HG vacuum on the filter and line - the fuel cap is vented for 1psi pressure as well as 2"HG vacuum, so the pre-filter line and tank is limited to that 2" - that slight vacuum reduces fuel surface tension, allowing aeration bubbles to escape - any pump located up on or near the engine uses vacuum to draw the fuel from the tank, so the microscopic bubbles coalesce into larger bubbles, which are then returned to the tank - the B.Eckams FASS and C.Eckams AIRDOG systems utilize those concepts to remove and return air (and excess fuel) back to the tank, where it is released into the filler tube, never to trouble Mankind again.................

 

So engineers at the biggest diesel engine manufacturers know about a rather simple device that will remove "air" from diesel which will protect injection pumps, make more power, and better more efficient use of fuel, which they jump through hoops for the EPA to do.... And they can do it for probably $20 or so... but they choose not to. Interesting.

 

Again, a small amount of vacuum in the fuel supply system works wonders, and costs nothing.........

EPA-mandated fuel system inspections are rather strict in meeting mfr spec vis a vis fuel cap ventilation.

 

Engineers don’t have the final say on anything; the bean-counters do.

 

it's not that simple...people have been trying to figure out how to remove air from fuel forever...no body could figure it out till Pureflow did it in the 90's...it takes a little more then $20 bucks in parts to remove air from fuel...why they don't put them on from the factory??? I don't know??legal???cost???patents???I don't know why...would be interesting to know that's for sure...

 

And I read about the 1990 CAT bulletin about air in fuel. I think fuel systems have changed just a little bit since then.
And also the 2006 report about potential problems with EUI engines and their injectors due to air problems... but thats a Powerstroke problem. Not mine...
They talk about vacuum causing air issues. Well my pump is mounted as close to the tank as possible, while the intank one is obviously not going to be affected at all by this anomoly. But I run much higher pressures and the way my bypass regulator is setup I'm sure any minuscule amounts of air are sent back to the tank with my fuel return.
Like I said, I'm not buying it...

 

even if you dont buy it for air/vapor removal...just as a high flow pump with 2-3micron filtering, water separator, 1/2" lines all in one unit.....it is worth the price IMHO......but unlike you I am sold on air removal...especially when the fuel/air is passing the injectors at 20,000+psi

 

what if there was a simple device that could alert the driver to dangerously high exhaust gas temperatures, that could easily be monitored from the cab. none of my ctd's ever came with a factory egt gauge, and i don't think there's any arguement that if this relatively low cost device was included, it would save d/c and individual truck owners $$$. why is it not included? i would assume the suit and tie that makes the decisions said no to the extra couple of bucks. and why did gm use a steering column for years that they knew made it so rediculously easy to steal the vehicle that the insurance companies practically begged them to change it (it cost about $40 per vehicle for a better column)- someone at gm said no to the extra $40.

 

My 06' CAT D6R has a HUI system on it, same system as a powerstroke.

 

hey that rod on top of the column got me home and out of the woods once when i lost my keys out hunting. no complaints here on the budget cut

 

Back then (and even today), it was widely believed that vacuum on a fuel tank would cause withered crops, stunted livestock, curdled cow's milk, and was even bad for the fuel pump - little did they know, eh? - now, your fuel cap must pass a strict vacuum\pressure test or you don't get the windshield sticker in states that comply with federal regulations (to get lucrative federal hiway funding) - that is the end result of the engineers responding to the problem - vacuum does alleviate aeration.

This isn't about 'buy a airdog or fass or you'll go blind' or 'don't use that walbro as it has known carcinogens in it' - it's just information that hopefully allows anyone to make an educated choice, rather than just submitting to peer pressure.

 

that's the funniest thing i've heard all week.

 

Wheres the best place to order the airdog from? I saw a place for $499 shipped for a 150 kit. That pretty decent or is there some where better to get it?