Question on E Fuel and Air Dog..... - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 10-18-2013, 09:40 PM Thread Starter
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Question on E Fuel and Air Dog.....

A buddy of mine with a 2001 7.3 and I were talking about Electric fuel for my OBS. He said he has an extra Air Dog pump and filter setup he is not using. I believe it's a 130/55? Anyway, he said he would give me one heck of a deal on it and all I would need would be a wiring harness.

So, I called Air Dog's tech department and the gentleman there told me the setup my fried is offering is about 6 years old and they no longer make parts to support it. He also said that the mechanical pumps on our OBS trucks are pretty much rock solid and that I should leave my mechanical pump alone. I explained to him that I thought at WOT sometimes I feel like I am running out of fuel pressure to the injectors.

He said there is an easy fix for that and to run a low pressure 8-10 PSI pump inline between the selector valve and the mechanical pump to keep fuel to the pump and to keep the float bowl full of fuel. If it works, that sure sounds much easier than doing an entire electrical pump setup.

I have never heard of this before. Has anyone done this? Does it work?

I am original owner of 97 Extended Cab 4x4 with 86,000 miles, Unlimited Diesel 175/30 Stage 1.5 Injectors, ATS Intercooler, Tony Wildman 6 Position Chip, 4" Turbo Back Diamond Eye Exhaust, Stealth SPR1 HPOP, Wicked Wheel 2, Hypermax Combo Boost/EGT Gauge, DIY Intake, FPR Mod, CCV Mod, IDM Mod, 203 degree T Stat, Stainless Steel High Pressure Crossover Line, Fitch Fuel Catalyst, 40,000 lb. Trucool Max Transmission Cooler. Next up a Bean's D-66, electric fuel, torque converter and a valve body.
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post #2 of 18 Old 10-19-2013, 06:07 AM
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Ummm. Pretty sue that guy has no idea what he's talking about, anyone who calls our mechanical pump rock sold has a few screws loose.

FRANK THE TANK
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DIY INTAKE - HYDRA CHIP - MARTY'S E-FUEL - 250/200s
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You are so smart Frank, I dont care what Terry says.
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post #3 of 18 Old 10-19-2013, 08:03 AM
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Agreed, that's why nobody has mech fuel pumps, even ford puts an electric fuel pump in on the 99+

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
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Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
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Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #4 of 18 Old 10-19-2013, 08:30 AM Thread Starter
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That's why I am asking. I had never heard anyone say that before, let alone a technician from an electric fuel manufacturer. Perhaps he just deals with the issues of electric fuel systems all day long and the grass just looks greener on the other side?

He did make me wonder about just adding a low pressure electric pump to the supply side of the stock fuel system. It sure sounded like an easy (too easy) remedy to our mechanical pumps inability to keep up with high fuel demands.

Is it even plausible?

I am original owner of 97 Extended Cab 4x4 with 86,000 miles, Unlimited Diesel 175/30 Stage 1.5 Injectors, ATS Intercooler, Tony Wildman 6 Position Chip, 4" Turbo Back Diamond Eye Exhaust, Stealth SPR1 HPOP, Wicked Wheel 2, Hypermax Combo Boost/EGT Gauge, DIY Intake, FPR Mod, CCV Mod, IDM Mod, 203 degree T Stat, Stainless Steel High Pressure Crossover Line, Fitch Fuel Catalyst, 40,000 lb. Trucool Max Transmission Cooler. Next up a Bean's D-66, electric fuel, torque converter and a valve body.
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post #5 of 18 Old 10-19-2013, 09:23 AM
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In theory it does sound nice, but it doesn't seem like the pump could put more fuel than it already sends, it can only flow so much ya know

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
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post #6 of 18 Old 10-19-2013, 09:42 AM
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Quote:
I explained to him that I thought at WOT sometimes I feel like I am running out of fuel pressure to the injectors.
done any testing to see if the theory is accurate?

1997 F250 rclb 4x4, Comp910s, SRP1.1, Irate T4 s468,FullForce 350/200, homebrew efuel with i̶n̶ ̶t̶a̶n̶k̶ ̶a̶e̶r̶o̶m̶o̶t̶i̶v̶e̶ ̶1̶1̶1̶4̶2̶ A1000 5/8" drawstraw, Diesel Innovations fuel rail feed fittings, balljoint D60f Detroit Locker, zf5 sachs K70263-01CB ceramic clutch , Grizzly locker 10.25, 315/75/16 Wrangler MT/Windowed 7.3 Oct 9/14
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post #7 of 18 Old 10-19-2013, 10:12 AM Thread Starter
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No, I haven't done any testing to determine if I am indeed losing fuel pressure. I just suspect the way the power falls off after getting on it for more than 15-20 seconds that it's probably a loss of fuel pressure causing it. I have a SRP1 HPOP so, I don't think it's oil pressure that is dropping off.

I do have one of the Snap on MT2500 scan tools now, I just haven't figured out how to use it yet.

I am original owner of 97 Extended Cab 4x4 with 86,000 miles, Unlimited Diesel 175/30 Stage 1.5 Injectors, ATS Intercooler, Tony Wildman 6 Position Chip, 4" Turbo Back Diamond Eye Exhaust, Stealth SPR1 HPOP, Wicked Wheel 2, Hypermax Combo Boost/EGT Gauge, DIY Intake, FPR Mod, CCV Mod, IDM Mod, 203 degree T Stat, Stainless Steel High Pressure Crossover Line, Fitch Fuel Catalyst, 40,000 lb. Trucool Max Transmission Cooler. Next up a Bean's D-66, electric fuel, torque converter and a valve body.
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post #8 of 18 Old 10-19-2013, 06:27 PM
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yes, people on the forum have done it. not many though (i can't remember the one guy that i know has)

94.5 F250 Reg Cab 4x4 5 speed 4.10 276000 plus miles

97 F350 Crew Cab LB 4x4 5 speed 3.55 320000 plus miles (parts truck)



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YouTube: Providing idiots everywhere a podium to share their stupidity
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post #9 of 18 Old 10-20-2013, 04:05 PM
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The low pressure pump feeding the machanical pump is how the common rail, p pumped, and older mechanical pumps work. Take a high volume low pressure pump and feed the mechanical high pressure pump. He could have just been mistaken on the engine he was dealing with. Maybe the older 7.3 with a mechanical infection pump ?

FRANK THE TANK
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DIY INTAKE - HYDRA CHIP - MARTY'S E-FUEL - 250/200s
05 AXLE SWAP 3.73 - 2.5" PURE PERF. LIFT COILS - FOX SHOCKS
BTS TRANS - TYMAR DOWN PIPE - 4" EXHAUST
Waiting To Be Installed... gtx4294r, studs, springs, HPOP?

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You are so smart Frank, I dont care what Terry says.
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post #10 of 18 Old 10-20-2013, 07:39 PM Thread Starter
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I can't explain why (maybe a cheap alternative to a Bean's system) but, the concept sounds intriguing to me.

I am original owner of 97 Extended Cab 4x4 with 86,000 miles, Unlimited Diesel 175/30 Stage 1.5 Injectors, ATS Intercooler, Tony Wildman 6 Position Chip, 4" Turbo Back Diamond Eye Exhaust, Stealth SPR1 HPOP, Wicked Wheel 2, Hypermax Combo Boost/EGT Gauge, DIY Intake, FPR Mod, CCV Mod, IDM Mod, 203 degree T Stat, Stainless Steel High Pressure Crossover Line, Fitch Fuel Catalyst, 40,000 lb. Trucool Max Transmission Cooler. Next up a Bean's D-66, electric fuel, torque converter and a valve body.
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