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At last! After fiddling with this problem for months in hopes of avoiding having to take it to a real MBZ mechanic, I have solved my RPM restricted acceleration delimma. It was not the fuel, fuel pump, fuel line, fuel filter, injection pump, injectors, spark plugs, spark plug wires or distributor mechanism. It was the timing! After installing the Pertronix solid state module, I had set the timing according to the no vaccum specifications specified in the Mercedes Manual. It turns out that the timing marks on the damper were either inaccurate or not compatible with the Pertronix installation. Simultaneous with the use of my timing light I was moving the distributor around and just trying to get it to "sound" right. It sounded right at what looked like 45 degrees of advance. I took it out for a road test and it accelerated like never before without a miss all the way to 6000 RPM. How can this be? Could the damper be mismarked? Could an earlier timing chain replacement cause a mismatch in timing? Any clues out there?
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