L Larry P Guest Nov 27, 2008 #1 Is it okay to use 91 octane in my 2006 Durango? Its the V6 model and has 40,000 miles on it. Will it harm my engine in any way?
Is it okay to use 91 octane in my 2006 Durango? Its the V6 model and has 40,000 miles on it. Will it harm my engine in any way?
