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Old 01-20-2003, 01:13   #1 (permalink)
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frown I6 Fuel pumps

Hey fellas.

Would anyone happen to know the differences between the EA/D to the EF/L or AU fuel pumps?

I know the XR's have different pumps, however, im only interested in the standard unit differences (pressure/flow rate).

Any info would be great.

Thanks
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Old 01-20-2003, 02:00   #2 (permalink)
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Here is the EF/EL specs, can't give the others

Fuel Pump
Delivery (minimum) 240 cc in 10 seconds @ 275 Kpa
Pressure at engine idle 225 Kpa

Max pressure drop on shut down 10% in 10 secs
Fuel pump resistance at loom connector <10 ohms

(Straight from the bible)
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Old 01-20-2003, 03:08   #3 (permalink)
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Here are some EA-ED

Gli
Delivery (minimum)240cc in 10 sec @ 250kpa
pressure at engine idle 200kpa

XR6
Delivery (minimum) 280cc in 10sec @ 300kpa
pressure at engine idle 250kpa
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Old 01-20-2003, 14:50   #4 (permalink)
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if the fuel pump was delivering too much for th einjectors to handle, doesnt the unused fuel return to the tank anyway? So fitting a higher pressure fuel pump is a waste of time? Just a thought...its really the reg that needs the modifying
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Old 01-21-2003, 00:16   #5 (permalink)
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yea, i got fitted an XR pump (when i was converting from CFI) but i didnt get the regulator, so as sixa said, pretty much a waste of money unless u change the reg also..

Brent
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Old 01-21-2003, 14:48   #6 (permalink)
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Yer you guys are spot on. The better pump is a waste of time unless you have the correct reg to go with it.

I have just installed a VDO pump (4th pump for the car), she makes a bit more noise then the standard item, but seems better. I also lowered the mounting position in the tank so that it can still pick up some fuel on a quick launch, rather then cut out.

Oh, if anyone is interested in seeing inside a fuel pump, let me know and ill take pics.

Thanks for the replies fellas.
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