| it's all over the place by the chart. You are seeing I'd say about 11:1 The chart says ; 10.5:1 A/F Minimum (rich) 12.1:1 A/F Max (lean, but safe at those lower RPM) and 11.3:1 A/F Average. That's assuming Super Unleaded Gas. Torque looks smooth and solid, and your HP comes up nicely but falls off more then you'd really want to see at 6krpm.
Petz #3
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