> Actually it won't. The runout on the distributor makes the timing vary
> because it opens the points sooner on one side of the point cam than the
> other. There's generally not enough runout to change position of the lobe
> relative to the crank. So when you add an electronic trigger that doesn't
> have any sensitivity to point gap then you eliminate the variation.
Assuming you're talking about an optical trigger, it will still vary when
the runout is at right angles to the pickup. Not as big an effect, but
there is still an effect.
The magnetic pickups (eg Pertronix) are still sensitive to gap, so they also
vary for that reason.
Randall
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