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Stagea Fuel Pumps

tRUkbOY

By tRUkbOY,
in Four Door Family & Wagoneers

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tRUkbOY Enthusiast

tRUkbOY

Posted
Posted

Ok, not sure if this is a subject covered before but I'd thought I'd bring it up.

People talk about fitting a fuel pump to their Stagea but I haven't ever seen any detail about it.

I currently have a Walbro 255 in the tank behind the 26 but to be honest its not right. It won't run right when its cold (like its starving of fuel) & if you thrash it it doesn't seem to catch up for a while. Talking to a fuel pump expert he said that some Nissans (Z32 300ZX for example) run variable rate earths at the ECU & that may be what is causing my problem. I personally have a re-shelled 260RS if that makes any difference (including the entire 260RS wiring loom) so I'm just curious as to whether anyone has had fuel pump problems with their Stagea/260RS.

I have access to a Bosch 044 with a the appropriate fittings to adapt to the Nissan setup but have been told (by the same guy) that I will at the very least need to change my fuel pump relay for fear of burning it (or the wiring/ECU) out. Of course I haven't wanted to risk a 260RS ECU so haven't taken it any further.

I'd like to wind the boost up to 1 bar but I don't want to risk a lean out with a sketchy pump so I'm holding back at the moment but I can tell you my RH foot is getting itchy.

What are other people running in their Stagea/GTS25T/GTR etc etc?

On a similiar note; how do people wire up secondary fuel pumps? Into the same earthing point (via the ECU)?

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https://www.sau.com.au/forums/topic/201830-stagea-fuel-pumps/
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darrinspencer Grand Master

darrinspencer

Posted
Posted

I think sydneykid has mentioned it before, the Walbro needs 13 + volts to perform at 255l/hr

You may only be getting 11 volts and therefore your pump is not pumping enough fuel for your thirsty rb26

Try this mod

http://www.skylinesaustralia.com/forums/Fu...l&hl=direct

tRUkbOY Enthusiast

tRUkbOY

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  • Author
Posted (edited)
I think sydneykid has mentioned it before, the Walbro needs 13 + volts to perform at 255l/hr

You may only be getting 11 volts and therefore your pump is not pumping enough fuel for your thirsty rb26

Try this mod

http://www.skylinesaustralia.com/forums/Fu...l&hl=direct

Ahhh I see. That makes sense.

I had considered hard wiring the pump with a direct feed from the battery but my concern is of the safety side of it; I don't want it to keep pumping fuel if I ever crash it (well if someone crashes into me :blink: )

Edited by tRUkbOY

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