LR> ignition in my Ford F-250. Yesterday while traveling to
 LR> work at 65mph the engine suddenly lost power and then
 LR> violently back fired so loudly that it shook the truck and
On a hunch... I would try swapping out the DuraSpark module.  I had similar 
problems with mine for over a year and a half until the module finally gave 
out completely (now that old module will work for about 2 minutes, then it 
dies for a few minutes).  The module is only about $20 or so.
 LR> what happened? Also it died on me twice today but started
 LR> right back up after pulling over and taking it out of gear
 LR> and using the key. My guess for this is a loose wire going
Exactly what mine was doing.  Like I said.. did this off and on for over a 
year and a half.  One day it died and wouldn't start again; module had power, 
coil had +12V, but there was no spark whatsoever.  New module fixed it.
... All right...  Who's been cooking hot dogs in the warp nacelles?
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