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FRx GEN II

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Old Sep 14, 2011 | 12:17 AM
  #1  
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FRx GEN II

Anyone NOT running the "gold" spring, and if so, you willing to part with it? pm me a price...thanks
 
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Old Sep 14, 2011 | 08:36 AM
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From: AL, Reform
what psi is the gold one? i only have the stock one and im running 62psi.
 
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Old Sep 14, 2011 | 08:40 AM
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I'll look when I get home, I can't say for sure which one I used & if I still have the gold one you can have it. I do know I have 62psi pre-filter.
 
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Old Sep 14, 2011 | 08:57 AM
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I used the gold spring and rebuilt the FPR, now I have 75 psi
 
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Old Sep 14, 2011 | 05:04 PM
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Thumbs up

Any of you know, if the first gen FRx increases the f/p with the stock spring. At the time, i installed the FRx, i was seeing 69/70 psi (frx installed), all day long. Now, i'm at 74/75 psi, sometimes knocking on 78/80 psi, but quickly falls down, once motors warmed up. I'm thinking its time to rebuild the FPR. Anyway, the reason being, i'm going with a WVO setup, dual tank. My VO pump, is set at 75psi, so i need to lower the psi on D2 side, for check valves to work correctly.

Saw posting where, the "black" spring is 69-75, gold is 62-66ish, and think silver it was, at 55-60ish....i'll buy whatever one, just not the black spring.

I should disconnect the FRx and install the stock FPR, see what reading it throws...anyway, gotta first gen FRx for sale?
 
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Old Sep 14, 2011 | 09:35 PM
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From: AL, Reform
i have the first gen with the stock spring and i get 62psi all the time.
 
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Old Sep 15, 2011 | 05:34 AM
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Originally Posted by snakedoc
i have the first gen with the stock spring and i get 62psi all the time.
WOW....I wonder if your pump is going south or i have had a restriction in return line since i've bought my truck. One of the first things i did, was rebuild the fuel bowl and install my FRx.

Gonna tear apart the FPR today, take a gander at it, hopefully i find something wrong, fix it, and go from there. Say, for sh$ts, i want to "trim" a coil off the spring. I know working on seadoo carbs, thats a NO, to do in the needle/seat assy, of the carb. Worst case, i lower the psi, where in a carb, cutting the spring can result in the motor being flooded with gas.
 
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Old Sep 15, 2011 | 08:36 AM
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i dont think my pump is going south i just put my gauge on and it was at 100+ all the time.
https://www.ford-trucks.com/forums/1...d-a-story.html
 
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