Thread: Premium fuel only.. Why???? Is the compression ratio that high??
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  #9  
Old 04-25-2003, 01:28 PM
jay3000 jay3000 is offline
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Join Date: Dec 2002
Posts: 305
All I really want to know is????
What is the minimum octane rating for an 89 300sel????

I don't have an owners manual..
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