Improper DIY_EFI behaviour

Chad chad at dynojet.com
Fri Jun 16 20:24:29 GMT 2000


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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