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Old Wed, January 28th, 2009, 12:55 PM
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Quote:
Originally Posted by JackandJanet View Post
At cruise, there's very little load on the engine. I imagine that's how you get away with a lean A/F setting.

- Jack
Exactly. Running a tad lean (lean being a relative term here) during light cruise (minimum load) is not uncommon for most auto manufacturers. In fact, I've seen as high as 15.8:1 under light cruise. Under acceleration or load, fuel curves will richen up as necessary to keep things safe.
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