what is the best octane for a 1971 Johnson 85hp ?
R rocks beware Seaman Joined Jul 21, 2001 Messages 54 Aug 14, 2002 #1 what is the best octane for a 1971 Johnson 85hp ?
W wilde1j Vice Admiral Joined Apr 15, 2002 Messages 5,964 Aug 14, 2002 #2 Re: OCTANE ? 87 is fine ... no benefit from higher octane.
D Dhadley Supreme Mariner Joined Feb 4, 2001 Messages 16,978 Aug 14, 2002 #3 Re: OCTANE ? Ditto.....negative benifits from higher.<br /><br />87 octane, Champion plugs, the correct capable RPM's and good oil is the key.<br /><br />Good luck!
Re: OCTANE ? Ditto.....negative benifits from higher.<br /><br />87 octane, Champion plugs, the correct capable RPM's and good oil is the key.<br /><br />Good luck!
