how lean is too lean?
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how lean is too lean?
I was going over some data logs and noticed that my 3rd gear AFR ratios are in the 12's for the most part. Once I go up to 4th gear, the AFRs get down into the 11's. Are the lower gears (1, 2 & 3) supposed to run leaner than the higher gears? If so, what would be a good Air/Fuel ratio for each gear? I'm non-built running the APS single turbo.
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Colombo
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