Quote:
Originally Posted by mrlaser
I have checked both of the original coils with two multimeter. They gave similar results. The attached picture is with the inexpensive meter because it has a flat bottom. I needed that feature to free up mu hands to take the photo.
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Yep, that is not going to work well with a 6v system!
If your interested in the math, Voltage/Resistance = Current (V/R=I). In general terms you want around 4.0 amps at the points. So, at 6.0 volts and 1.5 Ohms resistance the Current would be around 4.0 amps. With the 3.5 Ohm coil it would be 6.0v/3.5 Ohms = 1.71 Amps which would result is a very weak spark.
The ignition system is somewhat more involved that this, but this should give you the general idea.