installed cali spec fpr spring. - Ford Powerstroke Diesel Forum
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Old 03-22-2012, 01:08 PM
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installed cali spec fpr spring.

trying to help smooth out my idle, so decided to go ahead a buy the fpr repair kit for a cali spec 7.3. the cali trucks use different injectors, and therefor ford bumped up the fuel pressure a little bit for them. my stock pressure measured 60 psi. after swapping springs, its dead on 80 psi. didnt want to go the bb route and over pressurize anything by accident, and at least this is within ford spec. seems to have helped. the top spring in the pic is the new cali one. seems to be wound a bit tighter and more stiff.
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installed cali spec fpr spring.-fpr-springs.jpg  
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Old 03-22-2012, 04:41 PM
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i've heard that doing a high preasure cross over line between the heads also helps smooth out the idle just a thought for you
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Old 03-22-2012, 05:54 PM
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Quote:
Originally Posted by erics diesel View Post
i've heard that doing a high preasure cross over line between the heads also helps smooth out the idle just a thought for you
thanks - i actually will be doing this, but using a different method. instead of buying a cross over line, you can accomplish the same exact thing just by removing the valving springs on the HPOP.

I have more than enough going on with this truck right now so one of these days ill get around to it. the FPR spring took 5 min so thats why i got it. anyway, if you get the HPOP oring kit from dieselorings, or somewhere else - replace orings as usual, and just remove valve springs. this will allow the pressure in both lines to now balance in the pump, intead of buying a cross over line. thanks for the response though.
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Old 03-23-2012, 05:53 AM
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Where'd you nab the spring from?
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Old 03-23-2012, 04:08 PM
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Quote:
Originally Posted by BrianH View Post
Where'd you nab the spring from?
From ford.. fpr repair kit.. the part number is floating around, my laptop just crashed or id post it. Its not cheap though. Brass plug, spring, and that piece inside the plug came in the package - $48 total , but at least its not putting more pressure on an already worn out spring...
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Old 03-23-2012, 04:20 PM
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Here's the part number:

"California" Fuel Pressure Regulator (contains spring, valve spool & new brass plug)
(Ford) F6TZ-9K061-AA

From Tousley Ford Parts online: MSRP $36.67; Online Price $24.20

Cheers!
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Old 03-23-2012, 07:38 PM
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why on earth are things cheaper on line than in person, its so dumb
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Old 09-12-2013, 11:02 AM
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I'm dredging this thread back for some more info. The kit that Patrick mentioned has more than just the California spring. Will the other parts fit on my older type of fuel bowl? I have the fuel bowl with the black canister and a small screen filter inside of it, nor does it have a fuel restriction sensor attached to the FPR.
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Old 09-13-2013, 12:49 PM
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Bump up before it hits page 2!


Any one got a way on how to get the black canister off. I tried a plumbers basin type wrench but it slips on the canister. any other suggestions without having to pull the whole bowl?
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Old 09-13-2013, 01:31 PM
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Does you cap have a square in the top of it? If so get a 1/2" drive socket wrench and an extension and loosen it, if not stick a screw driver in it sideways and use that for leverage
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