Quote:
Originally Posted by KitCarlsonEMS
I think you might need a big amplifier. 
Spark advance is often more than just 8 degrees. Maximum advance of 30-50 degrees is typical. It depends on many factors, including RPM, load and temperature. |
It doesn't take much voltage or power to strike and maintain a spark across a gap of .04-0.1 inches. 500 watts is easily obtainable with a standard H-bridge driver circuit, and should be more than plenty.
The advance I mentioned was just off the top of my head. You get the idea, anyway...
