Yea makes since the idea of a lift pump is flow but filtration for sure is a added bonus .thanks all for clarifying
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
Lift pumps
- Thread starter lazerdms
- Start date
Have same setup on my LMM, and the truck before it..
Said filter heads 1-14 is same as the 1r750/749 cats
The Baldwin number are a 14m fuel/water and 2m fuel
I see easy 100k miles before fuel pressure drop on average or change once a year at winter time.
https://m.summitracing.com/parts/wix-24770
The downside to OEM filter head is some passages are as small as 1/4"
Everything has been swapped to push lock AN fittings. And 2M filter to cp3 is -6 line I installed a fuel pressure guage between 2m filter and cp3
Ive heard fass is air dogs son or father so they are family...farher and son.
Sent from my SM-T377V using Tapatalk
Yes I've heard the same except AD seems to be more of a flow through pump than fass , but fass claims also to be flow through because of a check ball inside but I Believe you're still limited with the flow so you still can't go very fast when it fails
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
Positive pressure alone reduces aeration, lack of extra return (like the older fass) reduces more aeration from heavy return flow.
Air separator is not necessary, though the less air the better for sure. I just didn't see the need to spend an extra couple hundred for a "fuel preparator" like fass/ad. Great units and I'd run one no question. Having one is all that matters, and not having leaky lines lol
Are you implying water can't be addressed without buying a filter/pump combo? A lot of people have run secondary filtration without a lift pump without a problem. The cp3 can pull a lot of vacuum and deals with air incredibly well. That's not to say you shouldn't have both.
What cat puts on there equipment has nothing to do with how we build our trucks.
Sent from my SAMSUNG-SM-G900A using Tapatalk
I think you missed the point. For less than $50 you can plumb a FWS to work in conjunction with the raptor. Like most do with a Kennedy.
And probably on spend $20 on the filter over the $30 AD wants for theirs.
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
I'm implying that if you run no lift pump. And use a cat filter in place of your stock filter you have no line of defense and even tho the pumps can create a lot of vacuum and take a lot I personally wouldn't want my pump to have to go through all the work it does and then add a low micron filter it has to suck through to boot. I know cat filter and filter alike are a lot cheaper I think a gm oem filter is like 50 bucks but I'd rather pay that price then chance things with a cat filter. And maybe I'm being too over worrisome. Now if you have a lift pump hell ya I use a Donaldson filter and separator on mine
Sent from my STV100-2 using Tapatalk
Sent from my STV100-2 using Tapatalk
I just think the stock pump has enough on its plate why make it go through a 2 micron filter that could let water through too.
Sent from my STV100-2 using Tapatalk
Sent from my STV100-2 using Tapatalk
Just because it's a 2 micron, doesn't mean it flows less. Most of the single filters that I've been running on my cat adapter are rated for 90+ gph
Like Adam said, there's more of a restriction in the filter head itself than the filters we run.
Like Adam said, there's more of a restriction in the filter head itself than the filters we run.
Both filters I posted are rated at 13GPM or 780gph.. not doing that in a 1/2" line at 10psi lol
Had the airdog 165 which did well but died around the 100k mark. Went to the fuel lab and noticed my rail pressure held 26k vs the air dog only holding 22k in the upper rpm range. It’s quiet too!
Airdog gets my vote, just a better quality product over fass, living in New York, fass mounting on the bed mounting bolt in front of the rear tire is bizzare to me. Love it!
Of course ones you make yourself are going to be better then what you can buy.
Of course ones you make yourself are going to be better then what you can buy.
You shouldn't eliminate the water separator on a diesel for any reason. No one here suggested you do that so I'm not sure where you got that impression. Anyway somehow we got off in the weeds back on topic.
What fuel lab did you use?
Sent from my iPhone using Tapatalk
Last edited:
I got what the guy was saying I only brought up my opinion on cat filters because they were mentioned
Sent from my STV100-2 using Tapatalk
AirDog with a lifetime motor warranty and the Dmax Store for FleetGuard AD filters.
Under $35 for both the fuel filter and water separator filter.
I'm running 2 fuel pressure gauges, #1 out of the liftpump 8.5 psi, #2 off the stock fuel filter head using the bleeder screw adapter with the Racor 4 micron fuel filter after the filter 7.5 psi.
Under $35 for both the fuel filter and water separator filter.
I'm running 2 fuel pressure gauges, #1 out of the liftpump 8.5 psi, #2 off the stock fuel filter head using the bleeder screw adapter with the Racor 4 micron fuel filter after the filter 7.5 psi.