Originally posted by Richard
I just posted a link to Faraday88 going to a section in a vid showing 5.5k ohms on a typical ignition cable that would go from distributor to plug.
I've never seen a secondary on a coil at 7 ohms. Stock ignition coils have a secondary that are about usually about 7.5k - 10.5k ohms. Most that I've seen are 10.5k ohms. Did you mean 7k ohms?
I've used a number of these coils: 0.32 ohms primary, don't recall secondary resistance at the moment: https://www.amazon.com/gp/product/B0...SIN=B002Q363XM
For my high voltage n-machine experiment, I used this: https://www.amazon.com/gp/product/B0...SIN=B0006302P4
That has 0.016 ohms primary and I don't recall the secondary resistance on these either.
In either case, both of these coils have seriously fast rise times.
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