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Ebay RX-8 Yellows poor low duty cycle performance

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Old Apr 21, 2026 | 05:12 PM
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Ebay Ebay RX-8 Yellows poor low duty cycle performance

Bought some RX-8 Yellows and ending up with strange tuning issues at the low end (idle/overrun). Having to add a lot more fuel to cells near 20-30kpa to keep AFR even; more fuel than cells above them.

Wondering if this is due to incorrect dead times, or if its just a chinese knockoff?
Old Apr 21, 2026 | 05:13 PM
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Using TunerStudio with BMM ECU
Old Apr 22, 2026 | 10:29 AM
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phuk, I took the bait
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