Offshoreonly.com - Octane requirements for HP500?

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Offshoreonly.com (https://www.offshoreonly.com/forums/)

- General Q & A (https://www.offshoreonly.com/forums/general-q-20/)

- - Octane requirements for HP500? (https://www.offshoreonly.com/forums/general-q/271328-octane-requirements-hp500.html)

35fountain

02-26-2012 07:59 AM

Are you guys talking about fuel injected motors? What about a 502 carbed motor 9.1 compresson..Locked timing at 34 MSD . I use 93 octane now.
Can I use 89 octane safely?

SR-71

02-26-2012 08:21 AM

Thanks for the info... 87 octane it is. No complaints there!

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