From: Steven Guterman [mailto:an5.sprite@gmail.com] 
Which one did you have?
 
I bought mine a long time ago.  Maybe 2000-2002 time frame.  So it was
probably
their early design.
 
The trigging input to the MSD unit I built is fairly benign, its a 50 ohm
resistor to
+12volts.  That is much less current than if the Pertronix was normally
connected 
to the coil.  So it's not like it was under any stress.  
 
So I really think it was the ground wire in the distributor breaking that
took out the Pertronix.
Others running these should check that wire.  It's a 50 year old wire and it
just fatigues with age.
 
I'm going to order this one http://tinyurl.com/3afb35a
They are in Texas, It has a 3 year warranty, and it says it can drive an MSD
unit.
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