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Old 07-17-2014, 08:58 PM   #1
Garret 2010i
Scooby Newbie
 
Member#: 355661
Join Date: May 2013
Chapter/Region: W. Canada
Location: Winnipeg, MB
Vehicle:
2010 Impreza 2.5i
WR Blue

Default installed new fuel injectors, start/cranking up help

Hey guys, I just installed a new set of DW fuel injectors on my 2010 2.5i na motor. there the 565cc wrx ones.
any way, I could use some help/advice on how to adjust my start up tables. the car seems to be flooding on start up. I've tried lowering the pulse width on the cranking tables, but it still floods and stumbles on start up.
injector upstages are pretty common for the wrx/STi guys, so I'm sure this is a common problem.

any help is appreciated!

Garret
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Old 07-18-2014, 10:37 AM   #2
fenix-silver
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Member#: 231700
Join Date: Dec 2009
Chapter/Region: MAIC
Location: Central PA
Vehicle:
2004 WRX Wagon
WRB

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What all did you change in the tune to account for the new injectors?
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Old 07-18-2014, 12:20 PM   #3
Garret 2010i
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Member#: 355661
Join Date: May 2013
Chapter/Region: W. Canada
Location: Winnipeg, MB
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2010 Impreza 2.5i
WR Blue

Default

well I already in putted the new injector cc amout. so the AFR are correct.
Other then that, not much.
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Old 07-18-2014, 08:49 PM   #4
Garret 2010i
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Member#: 355661
Join Date: May 2013
Chapter/Region: W. Canada
Location: Winnipeg, MB
Vehicle:
2010 Impreza 2.5i
WR Blue

Default

and on the same sorta topic, what do you guys use for your flow scaling?
the new injectors are 570cc at 43psi. but my fuel system is running at 51psi or 612cc's.
the car starts better at the 612cc flow setting rather then 570. but the idle is way worse.

what a pain!
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Old 07-19-2014, 11:25 PM   #5
Garret 2010i
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Member#: 355661
Join Date: May 2013
Chapter/Region: W. Canada
Location: Winnipeg, MB
Vehicle:
2010 Impreza 2.5i
WR Blue

Default

I've changed the flow scaling to 610cc's. start up is getting better, sort of... the idle isn't great either. but it must like the realistic flow rate better cuz I am finally hitting my target AFR's now.
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Old 07-28-2014, 06:59 PM   #6
Garret 2010i
Scooby Newbie
 
Member#: 355661
Join Date: May 2013
Chapter/Region: W. Canada
Location: Winnipeg, MB
Vehicle:
2010 Impreza 2.5i
WR Blue

Default

man oh man the latency tables.... what a bitch to get just right. seems I'm always sacrificing something. more power for bad idle, ect...
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