Improper DIY_EFI behaviour

Greg Hermann bearbvd at cmn.net
Fri Jun 16 20:29:40 GMT 2000


No sweat!

>I didn't mean these numbers to be taken as gospel, but thanks for the
>correction.
>
>>While 12.3 is a decent A/F ratio for a turbo or supercharged motor with an
>>average combustion chamber design, 13.2 to 13.7 is more like it for best
>>power with a REALLY GOOD chamber design, maybe even a fuzz leaner if the
>>engine is NA! It damn sure isn't a decent  cruise range A/F ratio.
>>Stoich--14.7 --is what you want if you are trying to make a 3 way CAT
>>function properly, but it is not even remotely what you want for best
>>economy cruise, even with an average chamber shape!
>
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