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post #1 of 13 Old 02-23-2008, 07:03 PM Thread Starter
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FG PSI

Does the fuel pressure remain constant. If I get 65 PSI at the shreader valve at idle what can I expect to get at 2000 RPM? Do I need to install the FPG inside the truck?

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #2 of 13 Old 02-23-2008, 07:31 PM
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need gauge inside to know exact but it does drop under load

traded it for an 06 dodge sorry
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post #3 of 13 Old 02-24-2008, 06:37 AM Thread Starter
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Theoretically then at idle (65psi) should be max if it drops under load and the under hood guage should be ok. Thanks I appreciate it.

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #4 of 13 Old 02-24-2008, 09:07 AM
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on mine at free way speed I see about about 72 psi then when I floor it it drops to about 45 then when I let off it jumps up to 80 . hope that helps

1995 Ford F250 4X4 Sup cap Long bed off white
7.3L Powerstroke, 5 speed manual

Mods Stancor GPR, Diamond eye 3" DP, Diamond Eye 4" Exhaust, AFE Stage II Intake,3" plenum setup,Swamps IDM,Eletric Fuel System,Adrenaline HPOP,stage I sticks, ts 6 pos,
Banks 5" Tips, Leveling Kit,Dana 60 Swap, AutoMeter Boost, Pyro, Fuel Pressure
30% Windows,
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post #5 of 13 Old 02-24-2008, 02:56 PM Thread Starter
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thanks, it helps a lot.

97 F-350, 7.3 psd, xlt, limited edition, obs, dually, E40d at, 410 r axle, reg. cab, 8ft bed, 145000 miles, DIY Tymar intake (napa filter) CCV mod. fpr bb mod, HPX crossover pipe, SS Bully steps, Reese Fifth wheel hitch, CB Radio, 3" DP /4" back w/cat delete and 4" flow-thru muffler w/5" tip.
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post #6 of 13 Old 02-24-2008, 03:00 PM
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where do hook the pressure gauge up on the OBS 7.3?

2006 F-250 ExtCab SB 4x4 6.0, recon white lightning, ARP head studs, SCT touch Xtreme and soon to come Complete EGR delet y pipe and all
Wifes - 2005 Liberty w/ 2.8l diesel!
Daily Driver - 2006 VW Jetta TDI manual
Sold - 97 7.3 235k fun miles & 93 5.9 with only 84k
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post #7 of 13 Old 02-24-2008, 03:49 PM
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I hooked mine with the valve that reliefs fuel pressure i can will show you all

1995 Ford F250 4X4 Sup cap Long bed off white
7.3L Powerstroke, 5 speed manual

Mods Stancor GPR, Diamond eye 3" DP, Diamond Eye 4" Exhaust, AFE Stage II Intake,3" plenum setup,Swamps IDM,Eletric Fuel System,Adrenaline HPOP,stage I sticks, ts 6 pos,
Banks 5" Tips, Leveling Kit,Dana 60 Swap, AutoMeter Boost, Pyro, Fuel Pressure
30% Windows,
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post #8 of 13 Old 02-24-2008, 03:50 PM
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yeah if you had some pics that be great i tried to figure it out but wasnt sure where exactly to put it

2006 F-250 ExtCab SB 4x4 6.0, recon white lightning, ARP head studs, SCT touch Xtreme and soon to come Complete EGR delet y pipe and all
Wifes - 2005 Liberty w/ 2.8l diesel!
Daily Driver - 2006 VW Jetta TDI manual
Sold - 97 7.3 235k fun miles & 93 5.9 with only 84k
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post #9 of 13 Old 02-24-2008, 03:59 PM
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this is were I hooked mine up on my obs if i am wrong now would be the time to tell me


1995 Ford F250 4X4 Sup cap Long bed off white
7.3L Powerstroke, 5 speed manual

Mods Stancor GPR, Diamond eye 3" DP, Diamond Eye 4" Exhaust, AFE Stage II Intake,3" plenum setup,Swamps IDM,Eletric Fuel System,Adrenaline HPOP,stage I sticks, ts 6 pos,
Banks 5" Tips, Leveling Kit,Dana 60 Swap, AutoMeter Boost, Pyro, Fuel Pressure
30% Windows,
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post #10 of 13 Old 02-24-2008, 04:06 PM
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thats where i was think of, where did you get a electric FP gauge and how much did it cost ya?

2006 F-250 ExtCab SB 4x4 6.0, recon white lightning, ARP head studs, SCT touch Xtreme and soon to come Complete EGR delet y pipe and all
Wifes - 2005 Liberty w/ 2.8l diesel!
Daily Driver - 2006 VW Jetta TDI manual
Sold - 97 7.3 235k fun miles & 93 5.9 with only 84k
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