Need Help Setting Apexi AFC (old one)

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tiger
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Hey guys, I have searched around, but didn't really find the concrete info that i Need... I am almost done with my KA-T..I am probably going to install my AFC and boost controller tomorrow and I need to know what percentage I should set mine at... mine goes from -30 to +30... I am running 370cc injectors. Also, where can I find some info on the right places to hook vaccum lines in? As far as pressure and vaccum on the manifold... please help, thanks.


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WDRacing
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You need a wideband O2 meter to show what the air fuel mixture is. That way you know what to set the correction to on the AFC.

By vacuum lines, what do you mean? Hooking up the factory lines or where to tap into vacuum for a boost gauge etc?

WD

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Nissan_240sx
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Tee the line going to your fuel pressure reg. for your boost gauge

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tiger
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ahh.. gracias nissan240sx.. that's what I need to know... also, where should I run the line from my actuator and BOV? are those little pegs underneath the throttle body the ones that I should hook to?

ALso, I don't have the money right now to buy a wideband... I just want someone's settings that is running the same crap I have... stock maf.. 370's... t25 turbo... 255lph fuel pump... I just need something close until I can get a wideband.. thanks. :-)

ghx407
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Joined: Fri Nov 24, 2006 12:59 pm
Car: 1993 240SX KA-T

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I ran into this on the Web, give it a shot at your own risk:

Apex’I SAFC Tuning Guide

t3 @10psi 370cc injectors stock ka maf vpsl fmic

Throttle Point lo - 10% hi - 75%

Dec. Air THR 15% NE1 20% NE2 16% mess around with these and your NEPOINT settings to get the car to drop rpms correctly

Fuel Correction Maps:

Lo Throttle

RPM | COR ____________________ 1000 | -35% 2000 | -13% 3000 | -7% 4000 | -4% 5000 | -1% 6000 | 0% 7000 | 0%

HI Throttle

RPM | COR ____________________ 1000 | 0% 2000 | 0% 3000 | -3% 4000 | +5% 5000 | +13% 6000 | +17% 7000 | +14%

runs a bit on the rich side but it works good


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tiger
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Joined: Tue May 03, 2005 3:28 pm

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unfortunately, I don't have an SAFCII. It's just the one with the dials. Thanks for your help! :-)


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