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whats the best setting for Rev Limiter and Shift Points? what RPM did you set to get optimal performance? Oh and one more thing, is it a good thing to disable Rear O2 sensor? thank you!

I have dodge charger r/t 2006
 

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Since your engine is stock, as mine is also, I've found that the stock shift points (about 5500) are better than the 6000 rpm shift points. The stock engine starts nosing over at about 5700 rpm so if the tranny shifts at 6000 then the last 300 rpm's are kind of weak. I've tried both settings at the strip and there is very little, if any, difference in the QTR mile times.
For the rear O2 sensors, you shouldn't disable them unless you put on headers and start getting fault codes.
 
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