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Old 11-23-2019, 08:58 PM   #3
DHZIEMAN
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Join Date: Dec 2016
Location: Sunrise Beach, Mo
Posts: 439
Default Re: Using 85 octane fuel

Something of interest, in the mid 1920's octane of fuels ranged from 40 to 60 Octane and big improvements did not show up till later and then much more during WWII.
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