Quote:
Originally posted by ^YellowBandit^
The S-AFC (correct me if I'm wrong, Texan  ) allows you to controll both the VTEC point and boost pressure.
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Just clarification.
The Apex'i S-AFC is a piggy-back fuel management system. Basically it sits between the ECU and engine and allows you to tune, to a certain degree, the fuel curve (actually I think you tune the air intake that the ECU sees, to which it responds with different levels of fuel).
The V-AFC is pretty much the S-AFC, with vtec control.
Neither of these AFCs have boost control. The Apex'i boost controller is the AVC-R.
While these are nice (and pretty looking) tools for minor engine tuning, they don't give nearly the control and safety that a full fledged programmable ECU will. Look at company's like Hondata, ZDyne, or for some really cool stuff, AEM.