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

piggyback 2 safc's ?

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Old Jun 4, 2004 | 11:34 AM
  #1  
nonameo's Avatar
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From: albany, GA
piggyback 2 safc's ?

Well, I was just curious...

I don't own an safc. I don't want one either.

but do you guys think you could double em up to be able to control injectors larger than 720cc?
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Old Jun 4, 2004 | 03:03 PM
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Scott 89t2's Avatar
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umm there would be no point.... and you already can with one anyways.
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Old Jun 4, 2004 | 03:37 PM
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Nope...The ultimate limitation of control is the stock ECU. While you can do crazy things with the AFM input signal, ultimately it's up to the ECU to decide how much fuel to spray. If you put two in series, you will probably lower the signal from the AFM so much that the ECU will become confused and either default, or the car simply won't run.
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Old Jun 4, 2004 | 04:09 PM
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nonameo's Avatar
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**-P I drive a miata.
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From: albany, GA
Originally posted by Aaron Cake
Nope...The ultimate limitation of control is the stock ECU. While you can do crazy things with the AFM input signal, ultimately it's up to the ECU to decide how much fuel to spray. If you put two in series, you will probably lower the signal from the AFM so much that the ECU will become confused and either default, or the car simply won't run.
I would think that the S-AFC would amplify the signal back to its original strength. Isn't that a part of good engineering? Oh well it was just an idea. Bad one at that as I can see.
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