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Fuel Management Options On A Low Boost Set Up

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Old 10-11-2008, 10:04 AM
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kcr
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Could I just run a switch somwhere in the power wire and turn it off when I'm done driving?
Old 10-11-2008, 10:08 AM
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you could run some type of kill-switch to reset your ECU everytime you stop driving but thats pretty ghetto IMO.. misewell spend a couple hundred more than the SAFC II and get real fuel management.

also, i duno if you started putting your turbo kit together yet, but don't cheap out on ANYTHING.
Old 10-11-2008, 10:17 AM
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Yeah I suppose that would be kinda ghetto. "Hey why won't your car start?" "Oh you have to boot up the computer first." XD

And I not going cheap on anything, I've had some friends that learned the hard way. But since right now I plan on not going over 7~8 psi I just want something that can handle that. But what would you suggest? I kinda liked the SAFC II gui. I would like something that I could tune without having to plug in a laptop.
Old 10-11-2008, 10:28 AM
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QUOTE (SOCKS @ Oct 11 2008, 07:03 AM)
FMU's are garbage.. thats why pretty much no one thats boosted has one in their car. speed-factor used to offer them in their basic kit a long time ago and no one was really successful with the FMU's as far as i know.

FMU's work alot better on supercharged engines because they have linear boost, turbocharged engines do not.


I wouldn't say they're garbage. You just have to know how to use them. I had a Vortech FMU on the last Acura I built. It made 600whp at 17psi and was built to handle 25psi.
Old 10-11-2008, 12:17 PM
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QUOTE (i8acobra @ Oct 11 2008, 09:28 AM)
I wouldn't say they're garbage. You just have to know how to use them. I had a Vortech FMU on the last Acura I built. It made 600whp at 17psi and was built to handle 25psi.



How do you suggest properly using them? I plan on getting a wideband o2 kit then fine tuning it with something. Like the SAFC II.
Old 10-11-2008, 12:22 PM
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to properly tune with an FMU, you need a diaphragm kit so you can change the ratio. If you still can't get it just right, you need to put an adjustable bleed valve on the signal hose to fine-tune it.
Old 10-11-2008, 12:29 PM
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Of course! I never would think about a bleeder valve if I was still too rich. That way the SAFC II would just be controlling things on the idling end.




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