70-72 fuel psi at idle to much - Ford Powerstroke Diesel Forum
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Old 02-22-2012, 11:34 AM
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70-72 fuel psi at idle to much

just installed a fp gauge and its reading 70 72 at idle is that ok
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Old 02-22-2012, 11:44 AM
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That is what mine idled at. Never had a problem. I had a gillette spring in for 5 thousand miles with 100 psi at idle and no problems. You will be fine. You have the Blue ford spring?
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Old 02-22-2012, 12:20 PM
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You'll be fine. My regulated return holds mine at 62psi at Idle, but gets up to 78-80psi at WOT.
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Old 02-22-2012, 01:31 PM
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The 100 psi make nervous at first?
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Old 02-22-2012, 09:39 PM
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Quote:
Originally Posted by 3brorce View Post
That is what mine idled at. Never had a problem. I had a gillette spring in for 5 thousand miles with 100 psi at idle and no problems. You will be fine. You have the Blue ford spring?
yeah i have the blue spring but i do have around 10000 miles on my fuel filters well it makes me feel better that 70 psi is more common
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Old 02-23-2012, 06:16 AM
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when I went to the blue spring I was at ~70 when it was new. Now that its 'broken in' I'm usually around 68 at idle.
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Old 02-23-2012, 09:26 PM
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I had a Gillette spring for 3 YEARS as a daily driver, no issues, 100 psi at idle and all. The ONLY reason I took it out was to test the Blue spring. There is NO change in the seat of the pants between the springs, which leaves me wondering if I didn't waste money on the Blue spring. I haven't switched back to Gillette because it's a PITA to move everything out of the way.
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Old 02-23-2012, 10:14 PM
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I noticed better throttle response with my gillette spring also had a little haze at idle. Not that hard to change the spring out in my opinion.
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Old 02-23-2012, 10:32 PM
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The actual spring is easy to change, its a PITA to remove the airbox, the Auto Meter fuel psi sending unit, and then undo my 3.5" Banks intercooler tube to get to it. Let's not forget trying to get two wrenches in an area that you can barely get one wrench to for the fuel line that must come off. I never said it was hard, I said it's a PITA just for a little spring that I can't feel from the driver's seat.

Yes to throttle response, no to haze with both Gillette and Blue spring.
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Old 02-24-2012, 09:09 AM
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Takes about an hour to swap springs. I swapped springs a few times from the gillette, a shimmed stock one, then the blue one. Went back to the shimmed stock because it held pressure best at WOT. I have all the same stuff you do. Remove airbox, S&B intercooler pipe and elbow, autometer fuel pressure sender. Talk about PITA try getting at your banjo bolts to drill them out. and putting them back in if you think doing a spring swap is a pain.
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