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FMU and Uberdata?

Old 01-05-2006, 08:00 PM
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Default FMU and Uberdata?

rigth now i am boosting 5psi on a stock d15b and using uberdata. anybosy ever think of using an FMu to raise the fuel pressure to atomize the fuel better? i know its not neccesary and i would have to adjust my map for the higher pressure, but would it be better?
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Old 01-05-2006, 08:12 PM
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Default Re: FMU and Uberdata?

Originally Posted by PhilStubbs
rigth now i am boosting 5psi on a stock d15b and using uberdata. anybosy ever think of using an FMu to raise the fuel pressure to atomize the fuel better? i know its not neccesary and i would have to adjust my map for the higher pressure, but would it be better?
Yes someone has thought of it and no it is not a good idea. Keep it simple!
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Old 01-07-2006, 10:58 PM
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Default Re: FMU and Uberdata?

FYI higher fuel psi does not atomize fuel better. It actually does the opposite. Carbs have the best fuel atomization and they only run around the 6-10 psi mark.
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Old 01-08-2006, 08:36 AM
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Default Re: FMU and Uberdata?

i have read that carbs atomize the fuel better, my idea on that is the fuel is going from a positive pressure to an area of high vaccume really fast, but i also thought i read somewhere that higher fuel pressure atomizes the fuel better to a point. im sure there is a point where it go more to a stream
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Old 01-10-2006, 09:58 AM
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Default Re: FMU and Uberdata?

well I think that you got your answare, but ill go ahead and also tell you that it would be stupid to do it.
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Old 01-21-2006, 08:11 PM
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Default Re: FMU and Uberdata?

you can just up your fuel pressure with a FPR
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Old 01-21-2006, 09:50 PM
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Default Re: FMU and Uberdata?

Since your stock FPR is a 1:1 regulator, it does raise the pressure with boost. It does it linearly and that is enough, if you run out of injector, get bigger one.
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Old 01-22-2006, 08:20 AM
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Default Re: FMU and Uberdata?

that makes scence. im surprized i didnt think of that
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