fuel pressure settings
04 February 2006, 01:19 PM
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fuel pressure settings
I have just fitted a new fuelab fuel pressure regulator, and i was not sure as to what the pressure should be set at? The car is a 93wrx with a few mods which also makes me wonder if the fuel pressure should be raised slightly according to the mods or bhp? Could anyone give me a guide?
04 February 2006, 04:19 PM
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The standard pressure is 3 Bar atmospheric(with the inlet manifold reference pipe unconnected but capped).
I'm not sure about raising the pressure. You'd need to get the car hooked up to a wideband to see if the car needs a richer mixture.
I'm just about to do the very same job on my car. Did you run into any problems? Where did you locate the new FPR? How much extra fuel hose did it need? Am i right in thinking the fuel hose is 8mm (internal dia)?
Cheers.
I'm not sure about raising the pressure. You'd need to get the car hooked up to a wideband to see if the car needs a richer mixture.
I'm just about to do the very same job on my car. Did you run into any problems? Where did you locate the new FPR? How much extra fuel hose did it need? Am i right in thinking the fuel hose is 8mm (internal dia)?
Cheers.
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