Squeeze the most out of factory injectors

MajorMador · 02-23-2021, 02:15 AM

Next thing on the agenda now that I have basically a straight through exhaust, custom intake and a boost controller, is to mod the fuel system, I am thinking a drop in DW300 pump and an adjustable fuel reg, but how far can I push stock Ej255 injectors on the 2011 JDM Legacy?

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murrdogg24 · 02-23-2021, 02:26 AM

ummm wat? how the hell are we supposed to know that, don't know what turbo you're running for starters....

MajorMador · 02-23-2021, 02:28 AM

Sorry mate stock vf54

snow_bound26 · 02-23-2021, 05:11 PM

Your question doesn't really make any sense. If you're sticking with the VF54 and not running e85 then that turbo will max out the injectors. You basically told us nothing about what setup you plan on running, the direction of your build, and all the appropriate supporting mods you have and plan to purchase in the future.

One thing to note is talk to your tuner. Many tuners have preferred injectors they tune with. So unless you're tuning yourself (which I wouldn't recommend based on how you framed this question), then you should tell your tuner everything you want to do with the car and get what they recommend.

Unabomber · 02-23-2021, 11:10 PM

Injectors are cheap, trying to max them out is not smart.

02-23-2021, 02:15 AM	#1
MajorMador Scooby Newbie Member#: 522299 Join Date: Feb 2021	Squeeze the most out of factory injectors Next thing on the agenda now that I have basically a straight through exhaust, custom intake and a boost controller, is to mod the fuel system, I am thinking a drop in DW300 pump and an adjustable fuel reg, but how far can I push stock Ej255 injectors on the 2011 JDM Legacy? * Registered users of the site do not see these ads.

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02-23-2021, 02:26 AM	#2
murrdogg24 Scooby Guru Member#: 50586 Join Date: Dec 2003 Chapter/Region: RMIC Location: Colorado Springs Vehicle: 2020 STI Crystal White Pearl	ummm wat? how the hell are we supposed to know that, don't know what turbo you're running for starters....

02-23-2021, 02:28 AM	#3
MajorMador Scooby Newbie Member#: 522299 Join Date: Feb 2021	Sorry mate stock vf54

02-23-2021, 05:11 PM	#4
snow_bound26 Scooby Specialist Member#: 395793 Join Date: Jul 2014 Chapter/Region: AKIC Location: Split time between SLC and Lak Vehicle: 2005 92x Aero Beige	Your question doesn't really make any sense. If you're sticking with the VF54 and not running e85 then that turbo will max out the injectors. You basically told us nothing about what setup you plan on running, the direction of your build, and all the appropriate supporting mods you have and plan to purchase in the future. One thing to note is talk to your tuner. Many tuners have preferred injectors they tune with. So unless you're tuning yourself (which I wouldn't recommend based on how you framed this question), then you should tell your tuner everything you want to do with the car and get what they recommend.

02-23-2021, 11:10 PM	#5
Unabomber 👏 Big Ron 👏 Moderator Member#: 18062 Join Date: Apr 2002 Chapter/Region: MAIC Location: I can save you a ton of cash Vehicle: on car parts so PM me b4 j00 buy	Injectors are cheap, trying to max them out is not smart.