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 Post subject: 02 WRX log please provide input
PostPosted: Fri Oct 17, 2008 10:48 pm 
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Newbie

Joined: Tue Mar 11, 2008 4:18 am
Posts: 25
Hello everyone please look at my log and provide some feedback and suggestion. I know my fuel injectors is maxing out and I have some timing pulled. What other fields should I be looking at? Tell me what you see and provide any feedback with suggested corrective action please.


-02 WRX with 5 speed tranny
-stock airbox with deleted silencer
-catless uppipe
-catless downpipe/3" turbo back exhaust
-Walbro 255lph fuel pump
-VF39
-Stock TMIC
-Stock fuel injectors
-MBC


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 Post subject: Re: 02 WRX log please provide input
PostPosted: Fri Oct 17, 2008 11:03 pm 
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Experienced

Joined: Sat Mar 01, 2008 6:31 pm
Posts: 231
Bigger injectors...most likely your leaning out... I'm almost maxing out my stockers with the stock turbo....

_________________
2002 WRX
Stage JSarv Tune (2ish) Perrin UP Invidia Catless DP Perrin CBE APS Hard Inlet
AEM CAI Samco Y Pipe
Corn FEDDD :)


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 Post subject: Re: 02 WRX log please provide input
PostPosted: Sat Oct 18, 2008 12:10 am 
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Experienced

Joined: Wed Feb 06, 2008 4:10 pm
Posts: 239
VF39 + 440cc injectors = fail

You really need a wideband like yesterday if you're gonna run such a foolish setup.


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 Post subject: Re: 02 WRX log please provide input
PostPosted: Sat Oct 18, 2008 6:07 pm 
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Newbie

Joined: Sat Mar 29, 2008 9:33 pm
Posts: 33
Yes, you need bigger injectors. You are on the ragged edge with your setup. Don't keep running it like this or you will hurt the engine.


If buying new isn't an option you could modify the stock ones.

At the very least lower the boost way down until you get do something.


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 Post subject: Re: 02 WRX log please provide input
PostPosted: Sat Oct 18, 2008 11:53 pm 
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Newbie

Joined: Tue Mar 11, 2008 4:18 am
Posts: 25
subaru360 wrote:
Yes, you need bigger injectors. You are on the ragged edge with your setup. Don't keep running it like this or you will hurt the engine.


If buying new isn't an option you could modify the stock ones.

At the very least lower the boost way down until you get do something.


Thank you for your valuable input everyone. The boost has been reduce to 16 psi until I get the fuel injectors in place. Good point on modifying the stock injectors, I heard tuning the 740cc or 830cc will be complicated is this true? I really don't need that much of fuel because I don't anticipate of obtaining anymore than 350whp. Your thought?


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 Post subject: Re: 02 WRX log please provide input
PostPosted: Mon Oct 20, 2008 4:13 pm 
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Newbie

Joined: Mon Dec 11, 2006 3:22 pm
Posts: 53
they arent really super hard to tune for, but they will be overkill for any VF39 setup. youd do well with a 550cc ish injector.

the price of the modded stockers cant be beat though, free+flow testing and cleaning is a damn fine price for 800+cc injectors.

also, you are logging alot of extra items, try turning off stuff like MPH for better log resolution in teh future.

-M@


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