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Discussion Starter #1
Just a heads up, I stumbled on a solution for a low tach reading I was experiencing for about the last 200 miles. I had a failure of the distributor rotor - no spark getting from the distributor coil to the plugs. I replaced the EuroSpare rotor with a Lucas replacement and the car started immediately. My tachometer has also been reading 100% correctly since.

Low tach reading? Start by replacing the distributor rotor with a Lucas original. Or you may become a pedestrian.
 

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The Tach is driven off the alternator on the RRC. It isn't directly associated with the engine ignition system. I'm glad your tach is functioning correctly now, but I think the replacement of the distributor rotor is purely coincidental.
 

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Yeah, I didn't see a connection in the wiring diagram either. Can't explain it, but there it is. :-D
 
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