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umm, the coil fires the plugs not the box. while a .45 is great for say a blaster2 coil it might cause problems with a stock coil. all the box does is tell the coil to fire. or i'm confused.
The box also plays a big role in the quality of the spark. It must be able to drive enough current to handle the coil being used (some coils have low impedance and deliver high secondary current). The rate at which the box interrupts the current also directly affects secondary voltage level.
1971 Factory Appearing Duster 340 11.000 @ 122 mph
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