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Old 07-02-2001, 09:11 AM   #1
IMPREZAmike
Scooby Newbie
 
Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Question Online S-AFC instalation guide? (i did a search)

Im finally going to do this and was wondering if there are any online instalation guides? (azscooby, lagging etc?)

i also have 2 other questiond concerning the instal:
1.do i need any other guages to get the most out of the s-afc tuning ( o2 sensor, FPR etc?) im only running an intake and exaust on a 98 OBS

2.once it is installed, can it be set at zero untill i get a good set on numbers and a big chunk of time to test it out so i dont blow up my car?

thanks in advance!

//
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Old 07-02-2001, 09:24 AM   #2
adeck
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Member#: 6840
Join Date: May 2001
Location: Branchville, NJ USA
Vehicle:
2001 2.5RS
Blue Ridge Pearl

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Yeah it's fine to leave the corrections set at zero. I have a A/F gauge, a EGT gauge is helpfull too.
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Old 07-02-2001, 10:08 AM   #3
JGard
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Join Date: Jul 2000
Chapter/Region: TXIC
Location: Austin, TX
Vehicle:
2014 Lexus IS 350
01 Miata red

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there have been two other threads recently about this very thing. within the past two days anyway. Lots of technical info.

also, check out www.scoobymods.com
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Old 07-02-2001, 09:09 PM   #4
tmat3
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Member#: 2817
Join Date: Nov 2000
Location: NYC and Troy, NY
Vehicle:
2001 Impreza 2.5RS
BRP

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Try my site :
www.geocities.com/matsut_rpi00/safc.html

I gave my SAFC page to www.scoobymods.com , so they have the same exact thing on their site.
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Old 07-02-2001, 11:10 PM   #5
IMPREZAmike
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Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Default

tmat3 - thanks for chiming in...you gave me that address at the albany meet earlier this year and i lost it, but i remember it being real; good. thanks!

can someone fill me in as to what the EGT And the A/F gage do? thanks!

//
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Old 07-03-2001, 08:23 AM   #6
tmat3
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Location: NYC and Troy, NY
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2001 Impreza 2.5RS
BRP

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No problem dude.

EGT checks the exhaust gas temperature. On our engines, 1400F is the good temp. Anything less means the engine is running rich. Anything higher (around 1600F), the engine is running lean and that's bad.

A/F checks the air fuel ratio of the engine. I have one that attaches to the rear O2 sensor, so it's not so accurate. But, you would somewhat see the general idea of how the engine is running.

EGT is the best way to go to adjust SAFC. It will cost $100 for the gauge, another $100-ish for the temperature probe, and another $100-150 for the installation. Most A/F meter is a narow band (0-1volt) and not accurate and slow. If you get a wide band (0-5volts), then it would be more accurate, but it's expensive.
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Old 07-03-2001, 09:19 AM   #7
IMPREZAmike
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Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Default

so basically, without the a/f gage or the EGT, tuning the s-afc corectly is close to imposible? just be able to take other peoples numbers and go from ther i suppose? that dosent seem good. doh! more money...thanks for filling me in on those gages though.

//
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Old 07-03-2001, 09:48 AM   #8
subenutt
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Member#: 930
Join Date: Feb 2000
Location: Northern, CT USA
Vehicle:
99 Impreza 2.5RS
Aspen White

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approx. $100 for the probe!?!?!

I just purchased the gauge and now have to spend additional $$ for the probe! I should've gotten the Apexi. A friend of mine purchased the Apexi, granted a little more $$, but it came with ALL the parts...... including the probe.
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Old 07-03-2001, 11:29 AM   #9
IMPREZAmike
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Member#: 169
Join Date: Aug 1999
Location: Warwick and smAlbany NY
Vehicle:
98 black OBS
move bi*ch get out da way

Default

where can i read up on/purchace the apexi EGT? thanks!
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