Nice rant.... But you are dead wrong. THe info on teh web site as to the pumps all being pushers is a bit outdated and only relates to their other pumps, not the dura lift. I was having a problem with my pump mounted under the hood with my bed tank and I called Facet and spoke with the head tech guy and lo and behold, even up under the hood was too darn LOW for my bed tank. I was told that thes pumps are completely different critters and they cannot tolerate being force fed teh way most all E pumps are when the y basically operate off a siphon action after they get primed. If you try to do that with a dura lift you will experience pump cavitation where the thing basically freewheels and refuses to move anything. I was told to mount the pump ABOVE the absolute top of the bed tank by a few inches at minimum so it would prevent this from happening, so I moved it back onto my headache rack up ABOVE the tank and that solved all teh problems and I've pulled heavy grossing over 18k all over the country with that setup
THese pumps are designed for sucking fuel up to a refregeration unit engine up on teh top /front of a semi trailer from a fuel tank down on the belly back behind the dolly gear. THey SUCK not PUSH. If you mount them up, and you have any air leaks in your system, you will notice it, but that's not the pumps fault
Before I put teh bed tank on, I ran with the pump up under the hood for a couple of years regularly towing heavy
If the the Facet site is in conflict with itself, doncha think it's a little unprofessional?
How does a person know exactly what/where/how it is to be mounted. The pumps don't even come with instructions nor is there a posted pdf with necessary mounting instructions, recommendations, etc. All it gives us is maximum parameters. It doesn't even give us rated efficiencies per length of line at rated/recommended feed diameters. How do we really know that a 3/8 line is large enough to properly feed at 10 feet away, much less high?
We don't even know if this is an eccentric, diaphragm or centrifugal pump! All we know is, it is electric and can hear the check valve slapping when engaged.... big whoop!
Based on my own knowledge of pumps, the tech guy is advising contrary to pump system designs. If this pump does act contrarily, then what is it that makes it so? I think that is an important question needing to be answered.
When we read of the failures of some installers, the common thread is, fender mounted and/or filter on the suction side.
I'm judging by first hand failures and pump sense.
So far, I have not towed anything, but, I do live up a long steep hill (5 miles long) and I've floored the truck/pump to insure I'm blowing properly. Never a hesitation or cough. My speed uphill is better than mechanical-although unfair comparison because mechanical was ghosting- but no lag or lack of power. My mileage already appears to be better based on engine rpm's alone, as I posted, will get real number comparisons later, not to mention the tranny is shifting much smoother- indicating the FIPL is acting correctly.
It would behoove Purolator/Facet to belly up with some real stats if in fact their tech guy knew what he was saying- it is contrary to pump placement efficiency.
I have 3" pumps that claim to lift 20', reality is, they lift up to 10' without a struggle, over that and it's a fight to keep prime. Diaphragm pumps that make claims too, but fall short of ratings. I don't see this pump any differently.
I don't really care where anyone mounts their pumps, but when I read of fender placement failures, zero pressures at throttle on the fender, smaller than 80 micron filters ahead of the pump, fuel bowls with incomplete fills at the fender all contributing to less than stellar performances, yet only one failure-just now exposed- on a rail mount, I'll go with my intuition and experiences with other pumps and rail mount for best results.
Customizing is all about choices. The opinions I've given regarding this pump is just that, but not out my *****. I've read a lot of these posts and was ready/willing and able to fender install myself- it is my first choice as I hate my gravel driveway to lay on for servicing. However, if we take the time to read first hand experiences- I'm usually interested in failures- not successes, learn a lot more that way- we must alter our own opinions to fit for success. Trust me, I am not stuck in too many opinions or ways of doing things, but I am stuck on getting the best verifiable info possible.
Purolator/Facet is doing us no favors with conflicting data regarding their own products, as well as lack of information. You may be sick of reading my rants over this danged pump, but really.... where's the factory data to prove me wrong?? How about pump design contradicting me?? I will readily concede any point I've misread, but until there is hard data, last thing I'll do is take the word of the counter tech guy... how many times those guys been wrong?? Plenty. Purolator has sold plenty of those pumps to warrant a little time on their site adding installation parameters and real performance facts- you know like a line loss table with specific hose sizes.
How about a little respect for the customer??