Should I put in new fuel rails? - Subaru WRX Forum
 
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#1 Old 09-15-2012, 12:04 AM
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Should I put in new fuel rails?

I would like to know if it is time for me to put in new fuel rails before i get a new tune.

Upgrades

Walbro 225
16G turbo
turbo back exhaust
565cc injectors
short ram intake
larger top mount intercooler

Also do i need a tune right after i put in fuel rails or can i drive it to the tuning shop
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#2 Old 09-15-2012, 09:12 AM
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Skip the fuel rails and save yourself a few bucks. I contemplated getting some when I was having my engine rebuilt, but they're really not necessary. Your stock ECU and fuel rails are plenty capable of regulating fuel delivery.

John
07 WRX (Albins 5MT + Blouch 20G)
Jorge Carrillo Tuned (365 whp/340 wtq)
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#3 Old 09-15-2012, 11:34 AM
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Garage
400 whp. Stock fuel rails.
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#4 Old 09-15-2012, 02:02 PM
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OK. Thanx they are not needed then yet.
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#5 Old 09-15-2012, 09:55 PM
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Combined with the mods you listed, the only other part you might want to consider is a 3 port electronic boost control solenoid (and install that immediately before the tune)

John
07 WRX (Albins 5MT + Blouch 20G)
Jorge Carrillo Tuned (365 whp/340 wtq)
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#6 Old 09-16-2012, 10:51 AM
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Those 565's are going to be cutting it close as well.

Paul
2007 XT
2007 MS3
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#7 Old 09-22-2012, 11:33 PM
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Quote:
Originally Posted by pzr2874 View Post
Those 565's are going to be cutting it close as well.
You have room but some meth would give you more.
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