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Maintenance / tach issues
« on: May 12, 2015, 02:07:34 AM »
Just looking for little help. Just got my 67 together, and the tach reads accurate at idle but as the rpm's rise the tach is more inaccurate (5000 rpm at 60 mph) I'm using American Auto wire pointless ignition n the stock distributor and have the factory tach. I'm have a M20 trans and have a 4:10 rear end. Do I need a new circuit board in the tach? Should I change back to points? I don't think I need a filter because the needle seems stable. Anybody else have these issues?