Loud AD2

[jwsland]

Got my third AD2 replacment and this thing is so loud. I'm ready to just take it off. I can hear it over the radio and straight piped single stack. Its obnoxious. Is there anything I can do to quiet it down? I have a xdp sump, AD2 165 feeding a Driven Diesel RR kit. I know two regulators isn't necessary but thats another story.

I was told to have the AD2 cranked all the way up and then backed off half a turn and do all my adjustments from the DD regulator. My stock fuel filter has been removed along with the little plastic piece in the housing. I have my pressure set at 70psi.

[dhanna6powerstroke]

They are suppose to be coming out with an updated gerorator gear set that is suppose to quiet them down from what I've read on here.

[screwatts]

Read this Regulated return turn fuel psi down::

[PGreenSVT]

No need to run at 70 psi. Turn it down to 60 psi. Re-wire it with 10 gauge wire. Get rid of the sandwhich bracket that ships with the ad2 and just use the pump mounting piece. Drill holes to mount directly to the frame and use a piece of rubber between the frame and bracket to isolate the pump.

Don't pay attention to the thread above. I don't believe the information is valid. Not meant to discredit screwatts.

[screwatts]

Originally Posted by PGreenSVT

Don't pay attention to the thread above. I don't believe the information is valid. Not meant to discredit screwatts.

Hey just spreading what I read lol

[jwsland]

Would turning the pressure down at the AD instead of the RR be helpful? I was told from a reliable source here to have the AD turned up. If I turn the AD down to achieve my 60psi it won't be working as hard correct? As long I'm not loosing pressure driving. But I don't want the two regs fighting each other.

I really didn't wanna mess with the wiring. I tried turning the pressure down for performance purposes and didn't notice any difference after reading that thread MTW posted. My older AD didn't make as much noise, but then again half the time it couldn't hold 50psi.

And just tonite I lost pressure a few times. Dipped down under 40. Grrrrr this motor is only two days old.

[Term3]

What's the build date of the pump? It's on a little sticker on the side of the electric motor.


Sent from my iPhone using AutoGuide.com App

[Term3]

Q


Sent from my iPhone using AutoGuide.com App

[Fox Hunt]

Originally Posted by Term3

What's the build date of the pump? It's on a little sticker on the side of the electric motor.


Sent from my iPhone using AutoGuide.com App

how do you know what the date is? I recently got an updated one and the sticker says

5A-1-0007
1220-0 1 8 7.
whats mean?

[JUGERNAUT]

Originally Posted by jwsland

Would turning the pressure down at the AD instead of the RR be helpful? I was told from a reliable source here to have the AD turned up. If I turn the AD down to achieve my 60psi it won't be working as hard correct? As long I'm not loosing pressure driving. But I don't want the two regs fighting each other.

I really didn't wanna mess with the wiring. I tried turning the pressure down for performance purposes and didn't notice any difference after reading that thread MTW posted. My older AD didn't make as much noise, but then again half the time it couldn't hold 50psi.

And just tonite I lost pressure a few times. Dipped down under 40. Grrrrr this motor is only two days old.

if you turn your airdog 2 down to 60 then your rr return will need to be at 55 to achieve flow through your heads, call me