should i rewire my fuel pump if....
07-18-05, 07:11 PM
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tom port.. AKA streetport
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should i rewire my fuel pump if....
im turboing my s4 n/a...??? i thought i read somewhere that the voltage will be ok under idle and heavy load.is the rewire needed? not sure about voltage statement, someone please help...
07-18-05, 08:38 PM
#4
na fuel pump and injectors are probably good for up to about 200 hp at the flywheel or 180hp at the wheels, after that your car will be running lean and with a turbo setup you will definitely be running more than 180whp.
unless youre running only like 4-6 psi and thats it and the engine is completely stock it will be around 180whp, even then youll still needa fuel controller so it doesnt run like crap, not to mention a turbo with only 180whp isnt very much considering my n/a should be close to that with and exhaust and fuel controller
i would say get bigger injectors, at least 550ccs all around or 550cc primary 650cc secondaries or whatever
there is alot more stuff that you need other than a fuel setup believe me i looked into it and the price for a reliable setup is very expensive
unless youre running only like 4-6 psi and thats it and the engine is completely stock it will be around 180whp, even then youll still needa fuel controller so it doesnt run like crap, not to mention a turbo with only 180whp isnt very much considering my n/a should be close to that with and exhaust and fuel controller
i would say get bigger injectors, at least 550ccs all around or 550cc primary 650cc secondaries or whatever
there is alot more stuff that you need other than a fuel setup believe me i looked into it and the price for a reliable setup is very expensive
07-18-05, 08:52 PM
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tom port.. AKA streetport
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well considering im running a fd fuel pump, 550 primaries, 720 secondaries, and a safcII and wideband i think i should way more than enough fuel for 8-10 lbs. of boost, prob. woulda helped if i threw that in there huh....
07-18-05, 08:55 PM
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tom port.. AKA streetport
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Originally Posted by wtfdidusay82
there is alot more stuff that you need other than a fuel setup believe me i looked into it and the price for a reliable setup is very expensive
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07-19-05, 01:08 AM
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I'm a boost creep...
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The S4 NA doesn't have the relay/resistor for the 2-speed pump system that other FC's have, so the rewire is very easy. Use 12GA wire to feed the pump directly from the battery via a fuse and relay, and switch the relay using the original fuel pump wires.
07-19-05, 09:21 AM
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Engine, Not Motor
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Originally Posted by 88rxn/a
well considering im running a fd fuel pump, 550 primaries, 720 secondaries, and a safcII and wideband i think i should way more than enough fuel for 8-10 lbs. of boost, prob. woulda helped if i threw that in there huh....
07-19-05, 02:42 PM
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tom port.. AKA streetport
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Originally Posted by Jager
What turbo do you plan to run? Stock s4 turbo?
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