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Old 03-05-2002, 02:22 PM   #13
Scooby Specialist
Member#: 2697
Join Date: Oct 2000
Location: Olney, MD. Work in McLean, VA
2000 Celica GT-S
Spectra Blue


I'm curious about the SOHC engine running off the DOHC ECU myself
The original reason this question popped into my head was after reading about SOHC engine owners using S-AFCs to lean out their A/F mixtures at higher rpms. Could this be an aspect of the "less than stellar" performance of the MAP-based ecu? I remember somebody posting dyno runs of pre- and post- S-AFC tuning and he gained something like 7-8hp!! This would place the SOHC engine in similar territory as the DOHC engine WRT hp numbers above 5000rpm.

Anybody know how much a AWD dyno session at that shop in Gaithersburg, MD is? I know, it wouldn't be a TRUE comparison considering differences in dynos, etc . . . but it would give a better understanding as to whether the ecu is to blame for those high rpm power losses with the SOHC engine.

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