Apparently, according to some MG forums, the pertronix one can be static timed. Check with the factory to make sure that is accurate. If so, you can set your ignition timing (the time the spark fires) without the engine running. Turn crank to 10 degrees before TDC. Connect a spare spark plug to the number 1 wire and set on engine (as you did before). Turn ignition key to on (run) position (Not the start position). Rotate the distributor body until the spark plug fires. Tighten distributor down at that position. That sets your idle timing to around 10 degrees before TDC. Car should start OK and run OK. Last edited on 11-08-2019 01:48 am by Tim Murphy
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