Mixture and Ignition ...

[Peter Wales]

Let me answer this question from a different point of view. I don't know if
a lean flame burns quicker than a a rich one, but, we find that generally
peak power output comes at 4% CO.

With Bosch systems you need to add 12% to the fuelling numbers to get close
to this ( wonderfully consistant the Germans)


Then you need to add 10 to 15% to the timing numbers to get the timing
close. That one has to be done on a dyno to optimise it because the numbers
are less around peak PMEP

Peter