Loud AD2 - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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  #1  
Old 01-05-2013, 06:59 PM
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Loud AD2

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.
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Old 01-05-2013, 07:24 PM
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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.
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Old 01-05-2013, 08:35 PM
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Read this Regulated return turn fuel psi down::
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Old 01-05-2013, 09:25 PM
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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.
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Old 01-05-2013, 09:49 PM
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Unhappy

Quote:
Originally Posted by PGreenSVT View Post
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
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Old 01-05-2013, 10:30 PM
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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.
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Old 01-06-2013, 10:02 AM
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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
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Old 01-06-2013, 10:12 AM
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Q


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  #9  
Old 01-06-2013, 03:51 PM
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Quote:
Originally Posted by Term3 View Post
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?
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Old 01-06-2013, 05:32 PM
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Quote:
Originally Posted by jwsland View Post
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
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