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Old 05-19-2009, 03:28 AM   #1
KaliKarver
Scooby Newbie
 
Member#: 194170
Join Date: Nov 2008
Chapter/Region: BAIC
Location: Sacatomato
Vehicle:
2005 Evolution VIII
Tarmac Black

Default Injector size

I'm going in for a tune in the next few weeks and I'm figuring my stock injectors (560's) will not cut it. What size should I run? Should I just modify the stockers or get new? Can stock be sufficiant? I've been told anything over 90% IDC is not optimal.

Car: '06 WRX. Mods: blouch 18G, perrin tmic & inlet hose, spt intake, titek catless d/p, tgv deletes, grimmspeed pnp exhaust manifold w/high-flow cross pipe, greddy evo2, hallman pro rx mbc, cobb ap v.1, walbro 255lph.

Car was originally road tuned with stock injectors minus the tgv's, catless d/p, and exhaust mani/cross pipe.

Also was wondering if anyone has any experience with pnp'd intake manifolds and if its worth the money. My main goal is to get the car to spool as fast as possible, not necessarily peak hp numbers.

Thanks
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Old 05-19-2009, 06:44 AM   #2
Spenk
Scooby Guru
 
Member#: 7164
Join Date: Jun 2001
Location: Arizona Bay
Vehicle:
2000 Miata LS
Evo Orange Mica (1/644)

Default

Quote:
Originally Posted by KaliKarver View Post
I'm going in for a tune in the next few weeks and I'm figuring my stock injectors (560's) will not cut it. What size should I run? Should I just modify the stockers or get new? Can stock be sufficiant? I've been told anything over 90% IDC is not optimal.

Talk to your tuner. Do what they recommend.

Car: '06 WRX. Mods: blouch 18G, perrin tmic & inlet hose, spt intake, titek catless d/p, tgv deletes, grimmspeed pnp exhaust manifold w/high-flow cross pipe, greddy evo2, hallman pro rx mbc, cobb ap v.1, walbro 255lph.

Car was originally road tuned with stock injectors minus the tgv's, catless d/p, and exhaust mani/cross pipe.

Also was wondering if anyone has any experience with pnp'd intake manifolds and if its worth the money.
My main goal is to get the car to spool as fast as possible, not necessarily peak hp numbers.

Yes and yes.

Thanks
GL with your tune!
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Old 05-19-2009, 09:54 AM   #3
Tomas26
Scooby Newbie
 
Member#: 150648
Join Date: Jun 2007
Location: Europe, Lithuania
Vehicle:
2007 WRX
Blouch inside :D

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Hey let me know how tune went. Nice modlist almost the same parts i have (still not installed). I have bought DW 650cc injectors. My tuner said they will be suficient for 18G.
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Old 05-19-2009, 10:44 AM   #4
ThreeEleven
Scooby Specialist
 
Member#: 157894
Join Date: Aug 2007
Chapter/Region: MWSOC
Location: Saint Peters, MO
Vehicle:
2007 WRB WRX
EJ257

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I've got DW 750cc so I have some head room just in case later on. They're only like $30 more than the 650's.
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Old 05-19-2009, 12:05 PM   #5
06HAWKMAN
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Member#: 166626
Join Date: Dec 2007
Chapter/Region: RMIC
Location: salt lake city utah
Vehicle:
2006 wrx ewg vf39'd
obp

Default

There are alot of factors that go into choosing an injector like altitude, fuel you want to use, boost you want to push and with what turbo so it is best like said earlier ask the person who will tune your car.
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