Thread: Want to build a HEI ignition module similar to 70's style
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Default Want to build a HEI ignition module similar to 70's style
On Thu, 25 Sep 2008 08:16:16 -0700, Jim Thompson
wrote:

Thoughts coming back to me... with a conventional ignition coil (from
a car points-type system), peak primary current was 11 Amps! So size
your MOSFET accordingly.

Coil resistance is 3.5 ohms, that's only 4 amps.
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