April 9, 201313 yr comment_652724 I'm after a bigger coil for my hotspark electrical ignition. it needs a primary resistance of at least 3.0 but i can't find the one I'm after anywhere. Anyone here know the one i need? And its a 79 ke55. Cheers Report
April 10, 201313 yr comment_652759 The Bosch GT40 has a primary resistance of 3.4 ohms. The GT40R fitted with a ballast resistor has a primary resistance of 3 ohms but you've now got HEI so the GT40 would be the best. Report
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