>It's interesting that top-fuel dragster spark plugs see a power pulse of
> about 3 to 4 Megawatts (say 45 amps at 80,000 volts). Continuous 3-4
> Megawatts would melt the crap out of anything, but total energy
> delivered is
> tolerable because the ignition pulse is so short. Laser ignition
> would be no
> different.
>
> Lance
Lance, when I talked to MSD about their 44 amp mags that top fuel dragsters
use, the guy told me that only 1 amp made it to the spark plugs.(Still probably
leathal) I was interested in using a 44 on my car, and the guy said no way. He
told me they were only made for running in drag cars with a very short
duration. But he did tell me that their 20 amp mag would work OK for longer
distances, but I would have to send in the box so they could make a bigger heat
sink.
Regards,
Tom Gerardi
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