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SportTrac Discussion
Engine & Drivetrain
85 Octane
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<blockquote data-quote="Mike Main" data-source="post: 947410" data-attributes="member: 69177"><p>My '10 Trac with the 4.0 engine calls for 87 octane. In Colorado they sell 85 octane everywhere and it is significantly cheaper. My F-150 302, Town Car with 4.6 and Freestyle with 3.0 all run fine on 85 octane even though the manuals all call for 87.</p><p></p><p></p><p></p><p>I have not looked at the 4.0 compression ratio compared to my other vehicles to see if there is more reason for an 87 requirement. Is anyone else running 85 octane in a 4.0?</p></blockquote><p></p>
[QUOTE="Mike Main, post: 947410, member: 69177"] My '10 Trac with the 4.0 engine calls for 87 octane. In Colorado they sell 85 octane everywhere and it is significantly cheaper. My F-150 302, Town Car with 4.6 and Freestyle with 3.0 all run fine on 85 octane even though the manuals all call for 87. I have not looked at the 4.0 compression ratio compared to my other vehicles to see if there is more reason for an 87 requirement. Is anyone else running 85 octane in a 4.0? [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
85 Octane
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