[DeTomaso] Is there any clear advantage of one coil per cylinder?
Thomas Tornblom
Thomas.Tornblom at hax.se
Wed Sep 26 00:46:42 EDT 2007
Ken Green skrev:
> I think most new cars share each coil between 2 cylinders, but the LS-1 family, and I assume others, have one coil for every cylinder. These aren't screaming high RPM motors so I'm wondering if there is a cost to firing at the end of the exhaust stroke?
There is a slight difference in spark between the two plugs in a wasted
spark setup. One plug fires with negative voltage on the tip, the other
with a positive voltage.
A little spark energy is also wasted on the non-firing plug, but that is
apparently very little when there is no compression.
>
> Ken
>
Thomas
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