2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

What do you guys think of an S-AFC I?

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Old May 24, 2003 | 02:58 PM
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What do you guys think of an S-AFC I?

Im thinking about getting a first generation S-AFC, the ones with the 4 or so *****, what do you guys think about them? I think they can only change by 30% instead of the 50% of the S-AFCIIs but they can be found for under 100 bucks. Thanks.
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Old May 24, 2003 | 03:35 PM
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hmm under 100 bux huh?
I would not mind getting one

I have only seen them in pics

Santiago

P.S. do they still sell them new?
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Old May 24, 2003 | 03:38 PM
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Quite a few forum members are using them, just don't get the one's that are for VTEC's, they won't work.
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Old May 24, 2003 | 05:18 PM
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Originally posted by SonicRaT
Quite a few forum members are using them, just don't get the one's that are for VTEC's, they won't work.
I think you are confusing the S-AFCII and V-AFC with what im talking about. Its not the one that everyones using really, (you are thinking about the cool digi display and so on im guessing), but instead its just a series of ***** with a no fuss tune attitude. Anywho, there are quite a bit on ebay, i just wanted to see what peoples opinions were about them.

Thanks, if anything B U M P
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Old May 24, 2003 | 05:37 PM
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i will be egtting an safcII for my car very soon... it should be on they way here right now. ill keep posted on how it works out
edwin
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Old May 24, 2003 | 05:42 PM
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any idea what the differences are between the I and the II?
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Old May 24, 2003 | 06:02 PM
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if you mean the ones with the digi screens the new one hase points that can be tuned closer together than the first model and some other things. Basicaly it has more acuracy in tunning.

Santiago
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Old May 24, 2003 | 06:33 PM
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Originally posted by 1987RX7guy
if you mean the ones with the digi screens the new one hase points that can be tuned closer together than the first model and some other things. Basicaly it has more acuracy in tunning.

Santiago
yeah right on, the I has like four or five RPM ranges where as the II has a range every 500 RPMS.

And HOLY **** never EVER change your avitar.. EVER! or...... i kill you!
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Old May 24, 2003 | 07:32 PM
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Why waste time, effort and $$$$$$ on a bunch of piggy-back crap?

Lets examine a few facts:
1. Our Wiring harnesses are old and brittle with marginal performance at best
2. Piggy-backs are a band-aid approach
3. You still need to Dyno-Tune to optimize the Piggy-back tuning ( Butt Dyno doesn't cut it)
4. Bad sittings can and will lead to detonation and certain APEX death.

For a little more money than the standard assortment of piggy-backs you can upgrade to a Stand-Alone ECU and a NEW WIRING HARNESS!. You still shell out the same $$$ for tuning, but its done right and not a compromise

Just my thoughts. John
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Old May 24, 2003 | 07:46 PM
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Which Is why I am selling mine! It's a second generation and details could be found here; https://www.rx7club.com/forum/showth...hreadid=188802

PM me for details.
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Old May 24, 2003 | 07:52 PM
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Which Is why I am selling mine! It's a second generation and details could be found here; https://www.rx7club.com/forum/showth...hreadid=188802

PM me for details.
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Old May 24, 2003 | 08:01 PM
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Originally posted by banzaitoyota
Why waste time, effort and $$$$$$ on a bunch of piggy-back crap?

Lets examine a few facts:
1. Our Wiring harnesses are old and brittle with marginal performance at best
2. Piggy-backs are a band-aid approach
3. You still need to Dyno-Tune to optimize the Piggy-back tuning ( Butt Dyno doesn't cut it)
4. Bad sittings can and will lead to detonation and certain APEX death.

For a little more money than the standard assortment of piggy-backs you can upgrade to a Stand-Alone ECU and a NEW WIRING HARNESS!. You still shell out the same $$$ for tuning, but its done right and not a compromise

Just my thoughts. John
Little more money?
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Old May 24, 2003 | 10:15 PM
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Well... you cut your arm, 100 for a band-aid or 1200 for a new arm.... lets see......?????
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Old May 25, 2003 | 07:31 AM
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Lets see: 750 for new stand alone or 2K+ for another engine after you blow it with a Piggy-back band-aid?
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Old May 25, 2003 | 08:06 AM
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I'd be willing to bet that I can get a J-spec cheaper than a Haltech...
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Old May 25, 2003 | 08:07 AM
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Or $2k+ for another engine after blowing it up with a stand alone. It's all in the tuning no matter what is used.

Yes, they are a much better solution than piggy-backs, but piggy backs do the jobs pretty well. It's sort of like a simple shock/spring combo and a full coil-over setup. The coil-overs are better, but so much so they might be overkill for most people. Too much adjustability for the average person to care to use. Especially when a shock/spring combo would do them just fine.
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Old May 25, 2003 | 01:55 PM
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Yeah, it seems easier to bust a motor with a stand alone because you have 100% control than a piggy when you have say 50% or less, well either way can do it just as easy i guess.

To be honest YES i would LOVE to have a Stand alone, but i can only save something like 50 or less dollars a week working fast food. It will take me FOREVER to save up enough for a Haltech. (and by the time i do ill look like a starving etheopean)

Not only are features an option here Mr Banzi, but budget is something to seriously consider as well. Either way i will have a wideband O2 (the DIY one thats running around here, im sure you can find a link) so i will NOT blow my motor either way, in which case i think a piggy will be just fine. Im not running say 400+HP, im running maybe 180ish with my N/A, just trying to sqeeze a bit out of her.

thanks for your help guys.
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Old May 25, 2003 | 01:58 PM
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Originally posted by Jerk_Racer
Or $2k+ for another engine after blowing it up with a stand alone. It's all in the tuning no matter what is used.

Yes, they are a much better solution than piggy-backs, but piggy backs do the jobs pretty well. It's sort of like a simple shock/spring combo and a full coil-over setup. The coil-overs are better, but so much so they might be overkill for most people. Too much adjustability for the average person to care to use. Especially when a shock/spring combo would do them just fine.
Nice analogy. 400ish for spring and shock or 2K+ for coil overs. Either way i bet 70% of us on here wont ever use the spring and shock combo to its max capabilitys
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Old May 25, 2003 | 02:10 PM
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the "S-afc I" is not the one with *****. it is the blue screen one. the "acf" is the one with *****.

and now there is a newer one out the S-afc II which just came out.


just to straighten you out...
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Old May 25, 2003 | 02:14 PM
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the AFC has ONE ****. the one with the five ***** is called the Super Air Fuel Converter, its the first generation. the digi one is called the S-AFC for short, and its the second generation S-AFC. The newest one is the S-AFCII Whoo hoo!.

Btw, the one with the ***** has adjustments at 600RPM 2400RPM 4000RPM 5600RPM 7200 RPM..

Food for thought.

Last edited by Roy James; May 25, 2003 at 02:19 PM.
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Old May 25, 2003 | 09:48 PM
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As an alternative, Microtech Is having a Group Buy that you may want to take advantage of right now. Look Into the MT Forum to get better acquainted with the Standalone or go here; http://www.team140.net/modules.php?n...article&sid=17

When thinking Standalone, Haltech shouldn't be the only EMS that comes to mind.
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Old May 25, 2003 | 09:51 PM
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You may want take advantage of Microtech's Group Buy. You could get better acquainted by going to the MT Forum or go here;http://www.team140.net/modules.php?n...article&sid=17

When thinking Standalone's, Haltech shouldn't be the first EMS to come to mind.
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