Ignition Modules

Matt S Bower m.s.bower at cummins.com
Wed Jul 28 13:44:05 GMT 1999



Frederic Breitwieser wrote:

> "Number of degrees of rotation of distributor shaft during which contact
> points are closed"
> >From Automotive Encyclopedia, ISBN 1-56637-150-3
> 
> So, its how long the points are closed, which controls how the ignition
> coil charges and collapses magnetically.  But you have DIS, so I would
> imaging the principle is the same, but I'm not so sure that its quite
> the same thing.
> 
> Anyone?

Yes it is the same thing.  But ideally you will have this time be the
same throughout allowing the coil consistant charge regardless of engine
speed, effectively incresing duty cycle with engine speed.  The dwell
time can affect timeing but should be easy to measure and compensate
for.
Matt
> 
> --
> 
> Frederic Breitwieser
> Xephic Technology
> 769 Sylvan Ave #9
> Bridgeport CT 06606
> 
> Tele: (203) 372-2707
>  Fax: (603) 372-1147
> Web: http://xephic.dynip.com/



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