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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
Octane rating vs fuel consumption
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<blockquote data-quote="Ruger" data-source="post: 786292" data-attributes="member: 1594"><p>Yes, Harblar, I have tested the two and found no difference. I've done it several times, too. But of course I know that any test without benefit of calibrated test equipment and a closed course isn't a test at all.</p><p></p><p>I answered your question. Now you answer the question I already asked you - did you read those 4 articles before you responded? Be honest.</p><p></p><p>Just for fun, here are some entertaining quotations from the good people who designed and built our trucks:</p><p></p><p>"If you experience starting, rough idle or hesitation driveability problems during a cold start, try a different brand of "Regular" unleaded gasoline. "Premium" unleaded gasoline is not recommended for vehicles designed to use "Regular" unleaded gasoline because it may cause these problems to become more pronounced." (page 393 under Maintenance and Specifications in the F-150 Owners Guide)</p><p></p><p>From the F-150 Supplement (page 7):</p><p>Engine Information 6.2L V8 Engine</p><p>Torque: 434 lb-ft @ 4500 rpm on 87 octane, 434 lb-ft @ 4500 rpm on 91 octane. [NOT a typo. The torque output of the engine is not improved when using 91 octane fuel. Owners who tow frequently take note.)</p></blockquote><p></p>
[QUOTE="Ruger, post: 786292, member: 1594"] Yes, Harblar, I have tested the two and found no difference. I've done it several times, too. But of course I know that any test without benefit of calibrated test equipment and a closed course isn't a test at all. I answered your question. Now you answer the question I already asked you - did you read those 4 articles before you responded? Be honest. Just for fun, here are some entertaining quotations from the good people who designed and built our trucks: "If you experience starting, rough idle or hesitation driveability problems during a cold start, try a different brand of "Regular" unleaded gasoline. "Premium" unleaded gasoline is not recommended for vehicles designed to use "Regular" unleaded gasoline because it may cause these problems to become more pronounced." (page 393 under Maintenance and Specifications in the F-150 Owners Guide) From the F-150 Supplement (page 7): Engine Information 6.2L V8 Engine Torque: 434 lb-ft @ 4500 rpm on 87 octane, 434 lb-ft @ 4500 rpm on 91 octane. [NOT a typo. The torque output of the engine is not improved when using 91 octane fuel. Owners who tow frequently take note.) [/QUOTE]
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GEN 1 (2010-2014) Ford SVT Raptor Forums
Ford SVT Raptor General Discussions [GEN 1]
Octane rating vs fuel consumption
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