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Top 2GNT Technical Turbo/Nitrous Tech topic #56044
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Subject: "Walbro 255, 4:1 FMU, DSM 450cc injectors" Previous topic | Next topic
420aturboSep-11-03 10:47 AM
Member since Apr 08th 2002
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#56044, "Walbro 255, 4:1 FMU, DSM 450cc injectors"


          

Is it possible to run this fuel set-up without a SFMU or SAFC?

Walbro 255 hi psi pump
Vortech FMU 4-1
DSM 450cc injectors

Also I bought some resistors at Radio Shack that they said to use on www.homemadeturbo.com.

I know I will be rich on start up, but I heard that the computer wil clean itself up after it runs for about 15 minutes or so. Is that true? If so, will it have to do this every time I start the car up?

Built 420a
NER turbo kit T3/T04s ball bearing
AFX UDP
Crane 0014 cams

  
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Replies to this topic

siueclipseSep-11-03 11:40 AM
Member since Nov 28th 2002
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#56049, "RE: Walbro 255, 4:1 FMU, DSM 450cc injectors"
In response to Reply # 0

          

i was going to do the 450cc thing, im glad i didn't mess with all the resistor crap.. just get some 440cc.

James



  
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Teamdougie2Sep-11-03 03:36 PM
Old School 2GNTer
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#56068, "RE: Walbro 255, 4:1 FMU, DSM 450cc injectors"
In response to Reply # 1



          

You're going to need an actual SFMU... FMU won't cut it in those case.


Doug

Xtreme Performance Services
Race Engines 路 Transmissions 路 Turbo Systems 路 EFI & Tuning 路 Fabrication 路 Welding
www.xtremefabrications.com

  
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420aturboSep-16-03 06:17 AM
Member since Apr 08th 2002
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#56388, "RE: Walbro 255, 4:1 FMU, DSM 450cc injectors"
In response to Reply # 2

          

What about if I lean it out with a SAFC and still use the regular FMU with a 3 or 4-1 disc?

Built 420a
NER turbo kit T3/T04s ball bearing
AFX UDP
Crane 0014 cams

  
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Teamdougie2Sep-16-03 06:21 AM
Old School 2GNTer
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#56389, "RE: Walbro 255, 4:1 FMU, DSM 450cc injectors"
In response to Reply # 3



          

It's not adjustable enough to control those injectors. The S-FMU has a hard enough time doing it. Suck it up and get a real S-FMU! emoji


Doug

Xtreme Performance Services
Race Engines 路 Transmissions 路 Turbo Systems 路 EFI & Tuning 路 Fabrication 路 Welding
www.xtremefabrications.com

  
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