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#1
05-21-2012, 02:55 PM
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How Much Fuel Pressure?
Hi everyone, just installed a Fuel Pressure Gauge and I wanted to find out what I want to see? Is there a range that is within spec? Thanks for any help.
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Matt MF'N Mills 96 Black SS NAISSO Member #6125 Mods: T-56, Suncoast Ram Air Hood, S-Class Mirror LEDs (thats right bitches), Smoothie Bumpers, 50% windshield tint, Train Horns, Clear Corner Lenses, Corvette Engine Dress, 2.5" Custom Exhaust, Carbon Fiber dash, Oil, Volt, and Vac gauges, 3 Gauge Pod, Body Bushing upgrade, T/B bypass, Red Bowtie, LT4 Knock Sensor, F-Body EGR valve & Servo, Moog suspension, A/C drip mod, SEM Blacked out interior, CIA Headers www.lightingprogrammer.com 
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#2
05-21-2012, 03:45 PM
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FSM spec is 41-47lbs with key on engine off. I usually see pressures of 38-40lbs at idle on most stock LT1s I've owned. It should jump up 5lbs or so if you pull the vacuum line of the regulator.
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#4
05-22-2012, 01:58 PM
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Quote:
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95 DCM 224K stock except for Borla...new engine in at 224K in 8/2012 with TONS of new parts......87 caprice became my snow car in 2000 and it was laid to "rust" in 10/07 with 338K. Rebuilt trans at 308,000 (lasted pretty long I think); new radiator 330,000 (they said it literally disintegrated when they took it off); SS better last at least that long 
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#5
05-23-2012, 11:58 PM
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How Much Fuel Pressure?
I use,and recommend AutoMeter full sweep electric in the cabin. I also have a liquid filled Pro-Comp under the hood. My fuel lines are AN so I can tap in anywhere. If you're using the fuel rail, I recommend running a braided hose to the sender and/or gauge. Not attaching anything else to fuel rail itself on an ongoing basis. Some adjustable fuel pressure regulators also have a port for this purpose.
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#6
06-08-2012, 07:59 PM
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I was thinking about getting an under-hood fuel gauge as well. Would it be a problem to hook up a fuel line to the fuel rail and run the fuel gauge somewhere else? I couldn't see it being a bad thing since no real weight is getting put on the fuel rail, just the weight of the hose going to the fuel gauge...
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Winning a race in a Vette with you and a buddy is awesome. Winning a race in an Impala with you and 3 other friends is BADASS 94 SS Borla shorties, Eaton posi 3.73 gears, Spohn Performance Rear sway bar, Energy Suspension body bushings and end links, Bilstein HD shocks, Eibach springs, Inland Empire 3.5" DS, Gary's Battery cables, AIR pump delete, side trim on the doors removed 94 Caprice Classic LS Daily Driver
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#8
06-08-2012, 08:51 PM
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I just have the stock FPR, where else can you access the fuel line besides the fuel rail by the FPR?
__________________
Winning a race in a Vette with you and a buddy is awesome. Winning a race in an Impala with you and 3 other friends is BADASS 94 SS Borla shorties, Eaton posi 3.73 gears, Spohn Performance Rear sway bar, Energy Suspension body bushings and end links, Bilstein HD shocks, Eibach springs, Inland Empire 3.5" DS, Gary's Battery cables, AIR pump delete, side trim on the doors removed 94 Caprice Classic LS Daily Driver
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#9
06-08-2012, 11:38 PM
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How Much Fuel Pressure?
If the fuel rail is equipped with an adapter to AN hose/fittings. The need for a gauge usually accompanies an adjustable regulator. The gauge is needed to make adjustments properly. A gauge would only be needed periodically to verify proper function of a non adjustable regulator.
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#10
06-08-2012, 11:57 PM
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Yeah I understand that, but it's nice to have.
__________________
Winning a race in a Vette with you and a buddy is awesome. Winning a race in an Impala with you and 3 other friends is BADASS 94 SS Borla shorties, Eaton posi 3.73 gears, Spohn Performance Rear sway bar, Energy Suspension body bushings and end links, Bilstein HD shocks, Eibach springs, Inland Empire 3.5" DS, Gary's Battery cables, AIR pump delete, side trim on the doors removed 94 Caprice Classic LS Daily Driver
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