Jim Grant's Tech Tips
'88 GMC Jimmy, Electron Marching Powder
Q:
Why is there white powder on the inside of the distributor cap and on
the rotor of my ‘88 GMC Jimmy?
A:
A spark event has nearly the heat of the sun and travels just
under the speed of light. A human has to only get hit once to do the wiggly
jiggly from this kind of energy.
What do you think
happens to the metal tip of the rotor and the terminals of the distributor
cap when this kind of energy blows through them while your driving at
60 to 70 MPH and the engine is running at 2500RPM? A little white powder
is quite normal.
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