when more then 15% of the air-flow meter/MAP sensor signal is tweaked from it's original settting? The ECU will fight the tweak till the engine setting are within 10%-15% of the original setting. That said, I have seen a 30rwhp increase from just that.
**Dynoed at 371.2 rwhp. and 362.3 rwtrq. @ .9 bar on pumped 91 gas no time tweaking 3/11/31/03** **Dynoed at 411 rwhp. and 452 rwtq. @1.15 kg. on race gas 104 no time tweaking 3/28/03 **All numbers are SAE corrected**