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OzECruisers General Discussions E/N/D vehicles General Discussion ONLY. NO TECH THREADS

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Old 04-03-2007, 11:02 PM   #1
finnyman
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Default Upgrading the fuel system

hey guys, ive got an EL monty, mods so far are R6 cam, crane valve springs, rollmaster cam gear, 2 1/2 inch lukey system (put off extractors cuz may be goin turbo), EL GT intake, k&n filter and shiftkit.... i want to know if there would be a significant increase in power if i added bigger injectors, fuel pump and regulator to this setup? and would the stock ECU adjust to the new fuel system?

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Old 04-03-2007, 11:21 PM   #2
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bigger injectors would definately help if you are going to turbo it.
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Old 05-03-2007, 10:15 AM   #3
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would the ECU adjust though with the injectors,fuel pump and regulator?
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Old 05-03-2007, 04:07 PM   #4
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no it would not. u would run very rich down low i would say. but run fine at WOT.
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Old 05-03-2007, 04:58 PM   #5
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Should make a nice little power gail and u might notice the fuel bill go up a bit to. But hey with perfomance comes money.
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Old 05-03-2007, 05:03 PM   #6
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Put it on the dyno and see what the problem areas are before upgrading anything, as said i agree abd suspect you will run rich and achieve very little except more fuel usage, a rising rate fuel reg set more towards top end could be a better option.
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Old 05-03-2007, 05:04 PM   #7
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You could do the fuel pump and fuel reg now, but the ecu wont like the bigger injectors. You need a fuel pressure gauge so that you can set your max fuel pressure with the new adjustable reg.
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Old 05-03-2007, 07:07 PM   #8
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yeh there is no prob with the fuel system now i was just lookin at more performance, and if the ECU wont adjust and run too rich, i dunno... instead of gettin a full plug and play ECU, can u get a cheaper tunable chip that would suit this, rather then fork out for a new Haltech or wolf?
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Old 06-03-2007, 02:15 PM   #9
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chiptourqe can tune a chip to larger injectors.
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Old 06-03-2007, 03:23 PM   #10
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Rollin went from an XR Fuel reg to a standard reg, and picked up 19 RWHP. He was changed while he was getting his car dynoed.

Too much fuel will lose you HP.

I would hold off putting in larger injectors until you actually have the turbo comfortably nestled next to the right front shock tower. screw you too for getting a turbo. :P
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Old 06-03-2007, 06:56 PM   #11
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thanks guys, well i might see if i can get chiptorque to get the right amount of fuel to air so it aint runnin too rich or lean...thanks everyone for your help, fourms are great lol ;)
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