Need airdog help.

MorganY · Jul 19, 2013

Having two regulators fighting each other doesn't work so well.

Magnum PD · Jul 19, 2013

Put the one on the pump wide open.

MorganY · Jul 19, 2013

Magnum PD said:
Put the one on the pump wide open.

The motor is not designed to run, let alone filter efficiently at that demand. **Edit: it has been designed to operate among those parameters, but is poorly done so** Ever cranked yours up to 75psi? Pressure drops immediately below 45psi with a heavy set of injectors behind it. Filtration already is poor at its default 55psi. On my third motor since January. Twin factory pumps in parallel is the most reliable choice. Not to mention factory filtration, and no regulation on the pump itself.

I have the regulator on the pump set higher than the regulator in the engine bay.

OP. sorry for the derail. Ditch the AD2

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

Magnum PD · Jul 19, 2013

After I spent $450

ncdzl · Jul 19, 2013

Younger1993 said:
The motor is not designed to run, let alone filter efficiently at that demand. **Edit: it has been designed to operate among those parameters, but is poorly done so** Ever cranked yours up to 75psi? Pressure drops immediately below 45psi with a heavy set of injectors behind it. Filtration already is poor at its default 55psi. On my third motor since January. Twin factory pumps in parallel is the most reliable choice. Not to mention factory filtration, and no regulation on the pump itself.

I have the regulator on the pump set higher than the regulator in the engine bay.

OP. sorry for the derail. Ditch the AD2

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

Are you running dual factory pumps?

MorganY · Jul 19, 2013

ncdzl said:
Are you running dual factory pumps?

Not yet, Truck has been sitting in the driveway. I have two setups in the works.

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

ncdzl · Jul 19, 2013

Younger1993 said:
Not yet, Truck has been sitting in the driveway. I have two setups in the works.

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

How are you planning on doing it?

Magnum PD · Jul 19, 2013

What would happen if I put two SD pumps AFTER the Airdog pump? Use them for pressure pumps and the air dog for supply.

ncdzl · Jul 19, 2013

Magnum PD said:
What would happen if I put two SD pumps AFTER the Airdog pump? Use them for pressure pumps and the air dog for supply.

You don't need 3 pumps...

Get a low pressure ad and feed the stock...problem solved

Magnum PD · Jul 19, 2013

Trying to make use of the Airdog. I'll see how the pump works for me.

MorganY · Jul 20, 2013

ncdzl said:
How are you planning on doing it?

Independently fed from tank to each head, equalization occurs from RR still, seperate factory relay system into factory BJB, including seperate wiring. Minimizing the circuits to tap into.

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

ncdzl · Jul 20, 2013

Younger1993 said:
Independently fed from tank to each head, equalization occurs from RR still, seperate factory relay system into factory BJB, including seperate wiring. Minimizing the circuits to tap into.

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

Feeding 4 injectors per pump...i gotta do some thinking. Might just work

MorganY · Jul 20, 2013

ncdzl said:
Feeding 4 injectors per pump...i gotta do some thinking. Might just work

It will work well. Both pumps will equalize with one another

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

ncdzl · Jul 20, 2013

Younger1993 said:
It will work well. Both pumps will equalize with one another

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

That's the only possible issue I could think of.

I would only use two new pumps personally...but the up side...one pump dies you only kill 4 injectors vs 8.

MorganY · Jul 20, 2013

ncdzl said:
That's the only possible issue I could think of.

I would only use two new pumps personally...but the up side...one pump dies you only kill 4 injectors vs 8.

Two new pumps would be the best option. Actually, if one pump dies, you can still drive the truck (equalization)
, proper pressure will be there under regular driving conditions. Only way you could tell is from large pressure drop under load, or flow gauges on each pump.

OP... Set your regulator higher on the AD2 than on the RR regulator. It should last you for awhile, just keep a backup airdog motor behind your backseat for safety
Best of luck!

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

FaSSt9602 · Jul 20, 2013

Younger1993 said:
Two new pumps would be the best option. Actually, if one pump dies, you can still drive the truck (equalization)
, proper pressure will be there under regular driving conditions. Only way you could tell is from large pressure drop under load, or flow gauges on each pump.

OP... Set your regulator higher on the AD2 than on the RR regulator. It should last you for awhile, just keep a backup airdog motor behind your backseat for safety
Best of luck!

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

Just thinking out loud...wouldn't you need some sort of check valve in the system if one did die? In my head I feel like the flow would just head back through the system of the dead pump....Or does the stock pump have some sort of check valve built in?

ncdzl · Jul 20, 2013

Younger1993 said:
Two new pumps would be the best option. Actually, if one pump dies, you can still drive the truck (equalization)
, proper pressure will be there under regular driving conditions. Only way you could tell is from large pressure drop under load, or flow gauges on each pump.

OP... Set your regulator higher on the AD2 than on the RR regulator. It should last you for awhile, just keep a backup airdog motor behind your backseat for safety
Best of luck!

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

If you feed each head separately with 1 pump...from pump directly to head...how would it equalize if there's nothing plumbing the pumps together? Or am I missing something here

MorganY · Jul 20, 2013

ncdzl said:
If you feed each head separately with 1 pump...from pump directly to head...how would it equalize if there's nothing plumbing the pumps together? Or am I missing something here

The RR equalizes both heads. Top side of the regulator has fuel coming In from both heads, before being regulated. In the event of a failure, the other rail will still get fuel, but will be restricted via the other 4 injectors like you have mentioned. Hence a massive pressure drop under load. Something you could limp to the nearest ford with.

Not the best way to equalize both heads, but technically they will equalize.

The 6.7 system im working on will equalize at a filter head before entering both hpfps. You very well could do the same with a 6.0 setup

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

ncdzl · Jul 20, 2013

Younger1993 said:
The RR equalizes both heads. Top side of the regulator has fuel coming In from both heads, before being regulated. In the event of a failure, the other rail will still get fuel, but will be restricted via the other 4 injectors like you have mentioned. Hence a massive pressure drop under load. Something you could limp to the nearest ford with.

Not the best way to equalize both heads, but technically they will equalize.

The 6.7 system im working on will equalize at a filter head before entering both hpfps. You very well could do the same with a 6.0 setup

Sent from my SAMSUNG-SGH-I337 using Tapatalk 2

**** forgot about the reg return Lol

You're exactly right

Magnum PD · Jul 20, 2013

I was thinking that the airdog2 165 could feed both sd pumps. Then each pump could feed each head, then to regulator, then returned to tank. Just so its clear, I'm doing the 7.3.