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Old 05-30-2001, 08:32 PM
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Kuan Kuan is offline
Join Date: Jan 2001
Location: At the Birkebeiner
Posts: 3,810
I use Mobil1 in my '98 ML. I get between 10 and 15 miles more per tank of gas. The engine seems to rev up faster but it's noisier as well. Also engine operating temperature seems to have gone up by about 2 degrees from around 83C to 85C.

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