i would go straight to the distributor cap and rotor.look carefully at the centre carbon pole in cap where touches the centre of rotor.other possibility is tdc pickup at the flywheel going to ignition unit.

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David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
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