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Aproximate Lambda for Methanol NA

EFI Tuning Fundamentals

Discussion and questions related to the course EFI Tuning Fundamentals


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I will like to know an approximate lambda for methanol on an NA application. Since Boosted engines take more fuel than NA.

I'd suggest starting around 0.70-0.75 lambda and then test to see how the engine responds. Generally you won't see much drop off in power even at very rich mictures on methanol. The limiting factor is often the ability of the ignition system to light off the fuel/air charge.