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Old 03-11-2005   #8
Alpine TSi
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Join Date: Oct 2003
Location: Hastings
Drives: Shitbox
Posts: 713
Re: S-AFC vs Maf Translator

It's okay Craig, I am just really fast at typing with one hand.

Jakey, I used a chip burnt by lightning that compensated for my injectors, used the GM setup because of the better flow, and used the AFC to fine tune. Before I had the eprom, I used the GM setup to compensate for bigger injectors, and used the AFC for fine tuning. Now keep in mind you are still fooling the ECU into thinking that there is less air entering the motor, so if you pull out a lot due to much bigger injectors you will have timing map problems. I ran 650's on an auto non eprom ecu(that was set for 390's) and then pulling out x amount of air to correct my AF ratio, and didn't have any timing problems. I think the highest you want to go without getting an EPROM or such to directly compensate for bigger injectors is about 750's(correct me if I am wrong).
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1992 Eagle Talon TSi AWD
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12.772 @ 108.57

1992 Mitsubishi Galant VR-4
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