infiltrate2000 Posted June 3, 2012 Share Posted June 3, 2012 Have a 73 240z msd 6 series. Bought msd 8920 tach adapter in an effort to get the tach working. I followed the instructions on link http://forums.hybridz.org/index.php/topic/37376-getting-your-early-240z-tachometer-working-with-an-msd-6-series-ignition/ The tach work but its not accurate. At idle it reads 0, when you rev it does move but seems to be off. My car is cammed with triple carb and the idle is low, but this thing dont even seem to register anything at idle. Anyone with tips to get this to work or who had the same problem? Quote Link to comment Share on other sites More sharing options...
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