fuel psi - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 01-05-2009, 08:21 PM Thread Starter
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fuel psi

what kind of fuel psi is safe for a 99 7.3L? I am running 55 psi with a chip installed and I'm not sure of the safe psi to take my pressure up to. thanks!
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post #2 of 2 Old 01-05-2009, 10:36 PM
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I would leave it right there. No need for more. I've ran as much as 80 but lost 10-15 hp in doing so. I've also found running a higher pressure gave me a rolling idle that go real anoying.

'96 F-250 Extended Cab, long box 4X4, 4" lift, 35" tires
Injectors, Intercooler install kit-GTS Motorsports
Crower rods, H11 Head studs, Cam, Chip Diesel Innovations
Gen II HPOP, chip-Swamp's Diesel
Chip Live Tuned from Power Hungry
Current Chip Tuned by me!
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466hp #2 only
805hp NČO
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