67conv Posted June 10, 2012 Share Posted June 10, 2012 Now that I have the 442 running again I noticed the tach is showing about twice the rpm it should. Is there anything to check that would cause this? Also I'm thinking about installing a pertronix ignitor 3 and hotter coil. Would my tach still work with this setup? Thanks Link to comment Share on other sites More sharing options...
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