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Old 06-20-2000, 09:23 PM
Posts: n/a
my 1985 500sel runs aobut a mile more on a gallon with 93 octan than 89 and my mannual says min. octan 97 should this matter and what kind of damage would 190k on 87 do to my engine.

1985 500sel 220k
1981 300sd 278k sold
1989 chrysler
leabaron 130k
1990 380sl (hopefully)
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