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combined fuel and λ

Understanding AFR

Relevant Module: Defining AFR > Setting the Stoichiometric AFR

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Discussion and questions related to the course Understanding AFR

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So if we use fuel pump and methanol toghether on high boost we want per example to target a 0.85 λ

in the wideband we will see that target, but if we were looking at AFR the target would be the percentage combimation of the

two fuels * 0.85 , correct?

I believe I follow what you're saying, and you're on the right track in your thought, but more importantly the ratio is not going to be fixed if you're using a meth kit, so I suggest sticking with lambda.

Also keep in mind as you increase the amount of meth to gas you may be able to go leaner than on gas, but then have to go richer than gas as the ratio gets even higher.

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