Quote:
Originally Posted by George Tyler
you won't get the mixture very lean because you don't have perfect control over it, some cylinders end up getting a leaner mixture than others as some of the the fuel follows the inlet manifold walls, if you have a colortune spark plug you can see this.
You have only lean it until to just before the leanest cylinder starts to missfire, and other cylinders will be still richer. FE helps a lot.
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right, that was one of main advantages to fuel injection , your not limited by wet IM design and much better distribution of fuel between cylinders .