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Old 10-24-2002, 11:30 PM   #1
Jake Steed
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Default How much boost can you run on stock fuel?

How much boost can one run safely on a VF34 with stock fuel system? Does 1.1BAR sound ok?
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Old 10-25-2002, 12:07 AM   #2
tdxflex
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i tried searching this also, i think the best data for this can be found on TurboXS website when they were comparing the forced performance turbo with and without fuel upgrade. I think they ran 15.4psi. Some have ran 16psi, but I don't have a datalogger that can monitor injector duty cycle, so maybe someone else can elaborate on this.
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Old 10-25-2002, 12:27 AM   #3
mr2guru
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I would stick with stock boost unless you have bigger injectors. Your injector duty cycle is pretty much maxed out at 1.1 bar on a VF34
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Old 10-25-2002, 01:31 AM   #4
d00f
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Stock fuel as in pump gas or stock fuel system?

This may not apply to your question but I'm running 20 PSI of boost and since I just got my WBO2 in I found that I'm running 10.3-10.4 AFR at that boost level.

-Michael
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Old 10-25-2002, 02:08 AM   #5
Jake Steed
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Location: L.A We Burn It All Down!
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2002 WRX sedan with
scratch marks and dirt

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Stock fuel system.
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