AD II DF165 with regulated return - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 2 (permalink) Old 02-04-2013, 08:32 PM Thread Starter
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AD II DF165 with regulated return

What is the best way to set the regulators when using both a DF165 and a Driven Diesel regulated return?

I attempted to set the DF165 first by raising the DD regulator then attempting to set the built in regulator in the DF165. With the pressure adjust screw all the way seated I could only get the DF165 to put out 63psi as measured at the DD regulator.

Two issues as I see it....I could just have the DF165 regulate the fuel by setting the DD regulator higher than the DF165 can put out, but this would defeat the purpose of the DD regulated return. If I set the DF165 to max and regulate at the DD reg return, then it would overwork the DF165 would it not?

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post #2 of 2 (permalink) Old 02-05-2013, 12:40 AM
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Re: AD II DF165 with regulated return

Crank the AD up and adjust the pressure by the regulator. If it won't go above 63 psi you have a problem with the pump.

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