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post #25 of (permalink) Old 11-07-2013
<3_3.7
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Joined: Aug 2013
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Quote:
Originally Posted by sj90 View Post
14.7:1 is ideal for burning the fuel efficiently but is dangerously lean under high load.

The AFR shown is max, I paused the video where you can still see the AFR graph. It starts around 14.7:1 then drops down out of sight, but it's below 13:1.
14.5 or so is fine for cruising. As long as afr drops at wot, you're okay.
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