Mechanics

IS THERE A TIMING ADJUSTMENT?

1987 Mercedes Benz 260e

Engine Performance problem
1987 Mercedes Benz 260e 6 cyl Two Wheel Drive Automatic 179000 miles

I have replaced my spark plugs and wires along with the distribuitor cap to get better performance on my wife's car, only thing is that when car is cool runs just fine, after a while when the engines reaches operating temp, feels sluggish when taking off and also pings this happens less if adding the highest octane gas available (hard to convince my wife to add that), to seems that I have a timing problem the only thing is that I don't know where to start, being mechanical inclined I feel I'm skilled to perform the adjustment, need help Thanks in advance.
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Bagoma
December 7, 2008.




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