Thread: Vortech FMU
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Old 07-28-2003, 03:01 AM   #6
Drac9
Scooby Specialist
 
Member#: 9861
Join Date: Sep 2001
Chapter/Region: RMIC
Location: Colorado Springs, CO
Vehicle:
1999 2.35 RS-T w/NOS
Hybrid Rally Blue Pearl

Default

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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