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Re: Spark Testers - useless vs useful
Posted to Tool & Equipment Forum on 8/21/2019 6 Replies

I use the OTC 6589 HEI tester. [...] [[...]] I haven't measured it but I have been told it takes about 25Kv to fire it. But I also like the Thexton because of the adjustability. Maybe it's just me but I like to see a spark jump a healthy gap as opposed to just... Login to read more.

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