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SouthArk370Z · 07-12-2015, 04:55 PM

As per Zoren_370, the ECM will adjust to minor changes. Resetting the ECM at this point will possibly prolong the re-learning time.

The rule-of-thumb seems to be: if you make intake OR exhaust changes, you don't need a tune; if you make intake AND exhaust changes, you need a tune. YMMV

07-12-2015, 04:55 PM	#3 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	As per Zoren_370, the ECM will adjust to minor changes. Resetting the ECM at this point will possibly prolong the re-learning time. The rule-of-thumb seems to be: if you make intake OR exhaust changes, you don't need a tune; if you make intake AND exhaust changes, you need a tune. YMMV __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma