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Old 09-17-2007, 01:15 AM   #4 (permalink)
Killa_dsm
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From: Lakeport/San Fran, California
Region: NorCal
Registered: Aug 2004
Posts: 378
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Quote:
Originally Posted by Apeximprt2nr View Post
Do you have an SAFC to compensate for the injectors? Usually with those chips you can get the car to run decently well with bigger injectors, but you still may have to adjust with an SAFC.
I'm not sure about the VR4 pump though, but it is possible, it's a decent size pump.
What #'s are you getting on the logger for STFT and LTFT?
Most of the time my LTFT is in the -12's and my STFT is at -11. The only time my LTFT turns to -3 and my STFT to 0 is when I am in gear and let off the gas.

I tried leaning it out with the S-AFC but to do so I have to take quite a bit out of it. So I decided to zero it out. The Vr4 pump is rated similar to Walbro 190.

Back when I had just my Evo 560cc's and S-AFC, I didn't have this type of problem. And I don't think the Chip would be that off to be that rich?

I might go to a local junkyard and see if I can get another fpr just to see if that makes a difference.

Any idea's?


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Last edited by Killa_dsm : 09-17-2007 at 04:40 PM.
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