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Old 08-01-2012, 01:25 PM
crowecut crowecut is offline
LawnSite Member
Join Date: Aug 2009
Location: Western KY
Posts: 2
Well explained Tizzy. I for one many years ago did not understand octane ratings either. When I would occasionally try high octane fuel in my vehicles with absolutely no noticeable performance gain....I was perplexed. Years later I understand that my vehicles were designed to run on 87 octane and most likely would [I]never[I] benefit from anything higher.

I use 87 in all of my lawn equipment. I have tried 89 in my Red Max trimmer and Husqvarna blower and cant tell any difference.
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