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Old 08-06-2003, 03:38 AM   #19
0db
Scooby Specialist
 
Member#: 33879
Join Date: Mar 2003
Chapter/Region: SCIC
Location: Santa Barbara, CA
Vehicle:
2003 WRX Sporkwagon
Black

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My only concern is that to accurately build a MAF signal from RPM and MAP input, you also need a VERY FAST responsing intake temp sensor on a turbo car. Differing intake temps can mean vastly different MAF values at the exact same RPM/load cell. It's particularly important on a turbo vehicle because if you've got two cars with different turbos and different intercoolers, a well-made MAF based map would be fine on either car, but a MAP based map would be completely different. This means a turbo or intercooler swap would require a COMPLETE re-tune of all cells under boost.
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