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razor02097 · 02-13-2013, 12:51 PM

Unless your vehicle pulls timing when you use lower octane fuel you will not benefit from using a higher octane. Period. If the engine runs with full advance on 87 octane, using higher octane fuel will make zero difference.

02-13-2013, 12:51 PM	#45 (permalink)
razor02097 Master EcoModder Join Date: Jan 2013 Location: ohio Posts: 306 Tetanus - '95 Geo Tracker 4WD Base 90 day: 29.43 mpg (US) 300 - '82 Suzuki GS300 L Last 3: 60.78 mpg (US) Jeep - '98 Jeep XJ Cherokee Limited 90 day: 12.82 mpg (US) Thanks: 28 Thanked 50 Times in 37 Posts	Unless your vehicle pulls timing when you use lower octane fuel you will not benefit from using a higher octane. Period. If the engine runs with full advance on 87 octane, using higher octane fuel will make zero difference. __________________ Project Avalon: E bike build