This is as close as I could get to 14.7 on the AFR gauge, as I'm running an OEM ECU, with 335cc injectors, Track Dog Racing Fuel & Timing Cards and a Rotrex Supercharger, idling @ 800-850 RPM's, with a normal running temp of 190*F. Before making subtle adjustments, the AFR was 10.3-10.6 @ idle.
Miata NB AFR Readings, with an OEM ECU.
This is as close as I could get to 14.7 on the AFR gauge, as I'm running an OEM ECU, with 335cc injectors, Track Dog Racing Fuel & Timing Cards and a Rotrex Supercharger, idling @ 800-850 RPM's, with a normal running temp of 190*F. Before making subtle adjustments, the AFR was 10.3-10.6 @ idle.
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