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Old 03-05-2002, 02:22 PM   #13
2.5GT
Scooby Specialist
 
Member#: 2697
Join Date: Oct 2000
Location: Olney, MD. Work in McLean, VA
Vehicle:
2000 Celica GT-S
Spectra Blue

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Quote:
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.

Jason
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