Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

New Rails... Stock System...

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Old 01-01-2006, 03:54 PM
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Default New Rails... Stock System...

Well i purchased aftermarket rails and the all the Nickel Plated AN fittings i would need for the job.. however, my question is how to regulate the pressure using the stock regulator or if that is even possible.

I guess what i am looking for is a layout of the stock system and the wiring that goes to the system near the rail.

All i am looking to do is replace the fuel system from the hardline forward.
Old 01-01-2006, 04:05 PM
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Your stock regulator is not adjustable. The regulator is at the fuel pump.
Old 01-01-2006, 04:12 PM
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Originally Posted by CANNIBAL
Your stock regulator is not adjustable. The regulator is at the fuel pump.

I know its not adjustable... I am trying to figure out what i need to keep/how to keep it. with new rails. It appears there is some electrical equipment (sensor maybe?) that the fuel is feeding into as well. How do i go about incorporating or removing this.. there seems to be wires going to it as well.
Old 01-01-2006, 04:15 PM
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What fuel rails did you get?
Old 01-01-2006, 04:21 PM
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Originally Posted by Jimmy P
What fuel rails did you get?
I ordered Speed Inc's rails and got all the AN fittings and hose i need.

I wouldnt have a question if there was only one line going into the fuel rail region...
Old 01-01-2006, 04:53 PM
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You don't need anything else for them to work. That silver ring bulbous structure on the rail is a pulse dampner to equalize fuel pulses b/w rails but it's done away with when going to aftermarket rails.
Old 01-01-2006, 05:34 PM
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Originally Posted by CANNIBAL
...is a pulse dampner to equalize fuel pulses b/w rails but it's done away with when going to aftermarket rails.
To jump in here, Why? What takes its place?

George
Old 01-01-2006, 05:34 PM
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Originally Posted by CANNIBAL
You don't need anything else for them to work. That silver ring bulbous structure on the rail is a pulse dampner to equalize fuel pulses b/w rails but it's done away with when going to aftermarket rails.
Ok..

I just finished changing the FPR on an LT1 and figured that was the regulator as well.. they look very similar.

Also... Where do the other fuel lines go.. there is a pack of 3 or so and only one goes to the rails. Or are they not fuel lines? they are all wrapped together.
Old 01-01-2006, 05:51 PM
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The line that is positioned next to the main feed line is the fuel evap line that goes to the evap canister. It vents the tank and the vapors are sucked back into the intake. You can remove it and vent to the atmosphere(not a good idea if you've got a visual inspection of the engine bay)or relocate it elsewhere w/a little creativity. I relocated mine to the front of the ABS block to clean up the valve covers when I did aftermarket rails and the coil pack re-lo mod.




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