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Old 10-02-2001, 01:18 PM   #1
Scooby Specialist
Member#: 2649
Join Date: Oct 2000
Location: Sebastopol (Graton), CA
00 2.5RS-t cpe BRP
64 chevelle SS

Default Which FMU? And will a ford model 255lph fuel pump work?

I am wondering which Fuel pressure regulator to use because I have heard that some are having difficulties. Also will the Ford mustang fuel pumps work, because they are cheaper by about 50-100 $.

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Old 10-02-2001, 06:58 PM   #2
Scooby Specialist
Member#: 1109
Join Date: Mar 2000
Chapter/Region: MAIC
Location: Reston, VA
1999 Suzuki Samurai


Yes, the Mustang pump will work.

Use a Vortech 4:1 FMU.
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Old 10-03-2001, 09:43 AM   #3
HRE | giulio
Former Vendor
Member#: 481
Join Date: Nov 1999
Location: NY USA

i had to recalibrate the Vortech FMU to 6:1.

The 4:1 wasnt making enough pressure, i still had to put the SAFC past 15% in some areas to compensate.
With 6:1 i am only added tiny amounts around the rpm range to fine tune.

But... you might want to look into bigger injectors instead of a large(r) FMU.
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Old 10-03-2001, 07:24 PM   #4
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Member#: 4001
Join Date: Feb 2001
Location: I love spherical bearings!
2006 Legacy GT
Obsidian black


Two questions.

what is the part number for the Mustang pump?

what boost are you running to require that much of an increase?

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