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RX-7 2nd Gen Specific (1986-92) RX-7 1986-92 Discussion including performance modifications and technical support sections.

 
 
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Old 08-19-2010, 04:53 AM   #18
RotaryDiagnostics
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Here's the sheet showing the AFRs getting very close to 14:1. Tuner shut it down at that point and we went to Plan B, which was, as I said earlier, to replace the Rtek-chipped ECU with a stock unit and using the S-AFCII for tuning.

If you have not had your car on a dyno, or using some other way, to verify safe AFRs, I would recommend that you do that before pushing the revs.
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