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Non-oxy fuel in my ‘61 Olds 98 394?

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Old June 17th, 2023, 04:25 PM
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Non-oxy fuel in my ‘61 Olds 98 394?
Hey guys,

Basic question which I need input from all you motorheads on; can I use non-oxy fuel for my Olds? I’ve been using non-ethanol premium unleaded, but was wondering if the non-oxy is best or I’ll advised?

Thanks all!
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Old June 17th, 2023, 05:16 PM
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What's the octane rating?
You will need at least 91 octane to keep that 394 from detonating.
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Old June 17th, 2023, 05:40 PM
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Ethanol fuel is oxygenated fuel. Non-ethanol and non-oxy are both also known as straight gasoline.
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Old June 17th, 2023, 06:34 PM
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Originally Posted by Charlie Jones
What's the octane rating?
You will need at least 91 octane to keep that 394 from detonating.
I will have to check that station tomorrow to see what the exact octane rating is on their non-oxy fuel!
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Old June 18th, 2023, 10:00 AM
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Alright guys the non oxy at my station I go to is 91. That should work eh?
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Old June 18th, 2023, 10:47 AM
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Originally Posted by eggydrummer
Alright guys the non oxy at my station I go to is 91. That should work eh?
It should be adequate.
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