Greetings Zorin,

What engine symptons did you have? I don't currently have any electrical drain on the engine, IE. dimming lights while idling, overloaded alternator running or at idle. Nothing points in the direction that the alternator isn't keeping up with the output of eletrical needs. I'd think the demand at a higher RPM would be greater on a coil, and that's where the engine actually smooths back out. I have no problems whatsoever at highway speeds with any aspects of this car.

Charles

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'84 300SD 256,000 Gold on Brown (Mileage Award)
'86 300E 246,000 Blue on Tan