Performance and Accessories 2nd gen only Talk about Dodge/Cummins aftermarket products for second generation trucks here. Can include high-performance mods, or general accessories.

fuel pressure #'s

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Old 09-16-2006, 06:48 PM
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fuel pressure #'s

I ahd to put on a second pump and it seems my fuel pressure is a little high, it doest bother it at all just want to know what you guys think. 40 psi at idle,25 at wot. SEE YA.
Old 09-16-2006, 07:27 PM
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40 is too high. I would regulate it down to 20-25psi. Mine runs 22 at idle and 19-20 at WOT. I have been running like this for over a year now with no problems.
Old 09-16-2006, 08:04 PM
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I agree 40 is way too high!! Be careful with that kind of pressure, you might crack that diaphram on the IP.
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