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83 300D Low MPG

MPG

Finally got a chance to make an extended highway trip on my new (for me) '83 300D. This is a one-owner car with a verified 116k miles. Drove 323 miles on I-75 on cruise control for 80% of the time at 2800 rpm for an indicated 65 mph. I drove about 30 miles on city streets and the rest on cruise control at 3,000 rpm. My mpg was 24.33. The mpg seems low. EPA says 30. I wonder if new injectors are called for? Or should I look elsewhere?
Oliver

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1982 300TD Outer Wear Front Tire

The driver's side tire of my wagon wears rapidly. I first noticed this not long after I purchased the car in 2008. Had it aligned and the shop said it really was not that far out of alignment. Since the tire continued to have the same wear pattern, the alignment job didn't fix the problem. Wondering where to start the hunt for the culprit. Control arms, bushings, etc. I've not done any work on the suspension of any car, so have no ideas here. Thanks, George

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