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Old 10-16-2003, 02:45 PM   #16
chuglobal
Scooby Specialist
 
Member#: 10041
Join Date: Sep 2001
Location: Marietta, Ga.
Vehicle:
2015 WRX Limited CVT
ISM

Default Yo

1. I figured IAT correction would be more "promising" however wasn't sure. Does the MAF sensor detect true outside air temperature or is it higher since it's in the engine bay? If you have it set to 42C then it's 107F+, would it be safer to do 33C thus 90F+ or is that being way too conservative? I guess the first part of the questions will lead into the answers for the second part.
2. I'm glad you reminded me about the correction factor, I would have adjusted the correction to -1 thinking it'd pull timing when it should be +1 to pull 1 degree of timing once the MAF reads a certain IAT.
3. Does copying the 50% column really help solve the "knock during change" issue? Why not use the 40% column instead? Would you copy the 50% to 10% column?
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