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I have a 93 Eldorado, Northstar, also olds aroura , small ...
Sent to Car Experts July 20 06:09 PM

I have a 93 Eldorado, Northstar, also olds aroura , small northstar. Can they run on regular octane gas..with no damage to engine. My gm dealer said that the knock sensor will not retard timing. Thoughts please.

 

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1993 Cadillac Eldo N.Star

Customer (name blocked for privacy)
Status:  Closed   Value: $9
Answer
July 20 6:18 PM (8 minutes and 55 seconds later)
         
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Here are the requirements

ALCOHOL FUEL TYPES:

Methyl Tertiary-Butyl Ether (MTBE):
Fuel containing Methyl Tertiary-butyl Ether (MTBE) may be used, providing there is no more than 15% alcohol by volume.

Ethanol:
Fuel containing ethanol (ethyl) or grain alcohol may be used, providing there is no more than 10% ethanol alcohol by volume.

Methanol:
Fuel containing methanol (methyl) or wood alcohol may be used, providing there is no more than 5% methanol by volume. Use of fuel (gasohol) that contains more than 5% methanol can corrode metal fuel system components and damage plastic and rubber parts.

GASOLINE:

Unleaded gasoline must be used. Minimum octane rating: 93 [(R+M)/2]



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