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Old 07-26-2003, 07:49 AM   #1
Zigenroller
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Member#: 34794
Join Date: Apr 2003
Location: Fishkill, NY
Vehicle:
2004 STI
White/Gold

Default Vortech FMU

I have a 10 to 1 plate in my Vortech FMU and run way rich i want to know if the 8 to 1 plate is thicker or thinner.
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Old 07-26-2003, 12:16 PM   #2
Drac9
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Chapter/Region: RMIC
Location: Colorado Springs, CO
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Hybrid Rally Blue Pearl

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You should put the 4 to 1 plate in it. THat's what I have found works best
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Old 07-27-2003, 12:05 AM   #3
Graham
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2001 2.5 RS Turbo
257/FMIC/T3-T04S

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Of course, choosing the correct plate depends on how much boost you are running. When I had my Vortech FMU installed I could never figure out which plate was which.

Sorry I don't have any information for you.


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Old 07-27-2003, 04:07 AM   #4
TMR Impreza
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Definately 3-1 or 4-1. After that the car runs extremely rich and forces the injectors static.

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Old 07-27-2003, 04:07 PM   #5
smacksube
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i beive the smaller the plate the less fuel pressure it puts out....waity...are you rtalking abouit the rrfpr or something else...whatever.....
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Old 07-28-2003, 02:01 AM   #6
Drac9
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3 to 1 or 4 to 1 means that for each lb of boost it will add 3 or 4 lbs of fuel respectively. So, with a 4 to 1 plate running 5 psi at full boost it will add 20psi of fuel pressure on top of the pressure provided by the stock fuel pump.
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