Quote:
Originally Posted by Beedub
arhhh i see that is a lean spot for sure...... lets hope its inaccurate dyno reading ;-)
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You mean the lean spot above 7300rpm? (that the afr curve starts to rise at 6700rpm)
I think that's intentional, seeing that both torque and power behave accordingly.
I think they adjust the mapping there to get an even torque graph and continous power buildup (lean mixture=more power)
I don't know when the lean mixture becomes too lean to cause damage (especially @ high revs), but it's still well below stoichiometric of course.