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Suggestion on Fuel Economy (archive)
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Posted by John on January 20, 2001 at 10:18:37:

I have an '84 633CSi. When I first got it with 135,000 miles my gas mileage around town was about 19.5 mpg. After putting 50,000 miles on it, it became sluggish and running about 16.5 mpg. The head was "shot" and I had to decide whether to rebuild the head or upgrade to a 3.5L engine. I elected to upgrade.

The car runs great but my mileage is about 14.5 mpg around town. My mechanic replace the airflow meter, made adjustments and even put in a Dinan chip. Although it appears to have helped the responsiveness of the car, it has not affected my MPG. Any suggestions?

Thanks!
John

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