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Labor Day Putting down your wrenches or time for
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Plenty of places to share. | | Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jun 2012 Posts: 1,747 'Bolter | | 'Bolter Joined: Jun 2012 Posts: 1,747 | This is one of those "things" that will not go away. The system is simple. A switch(points) a coil, and a spark plug. It all runs on current. The switch has a "limit" about 4 amps. The plug needs a big hot spark to start. 12 volts will burn the switch over time. Internal resistor coils are for different spark plugs. Most will give a nice spark, but not right away. Chevy and others did a simple work around. 12 volts to start(lots of current) and 6 volts to run(save the switch). No need to reinvent the switch, just change when and how you get current. Hot Rod has it well in hand.
Steve H
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