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72 Compression ratio and gas?

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Old Mar 21, 2003 | 09:48 AM
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Default 72 Compression ratio and gas?

I have the base motor (350, 200HP). What would the compression ratio be? What grade of gas should be used?

Thanks
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Old Mar 21, 2003 | 09:55 AM
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Default Re: 72 Compression ratio and gas? (Ki m Le)

Spec. 8.5 & reg.
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Old Mar 21, 2003 | 10:18 AM
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Default Re: 72 Compression ratio and gas? (Ki m Le)

I always ran 89 octane without a problem.
Gary
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Old Mar 21, 2003 | 11:06 AM
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Default Re: 72 Compression ratio and gas? (Ki m Le)

So, mid grade is a winner! Thanks all.
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Old Mar 21, 2003 | 10:01 PM
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Default Re: 72 Compression ratio and gas? (Ganey)

Spec. 8.5 & reg.
:iagree:

Unless there's a problem like carbon build up or a rough edge in the combustion chamber, 87 octane should be fine as that's what it was designed to use. It won't hurt anything (or help anything either), other than your wallet, if you feel better using a higher octane though.
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