Engine, Intake, Exhaust Modifications to your Normally Aspirated Hyundai engine. Cold Air Intakes, Spark Plugs/wires, Cat back Exhaust...etc.

Octane Question

Old Aug 9, 2012 | 07:34 PM
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Maddog's Avatar
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From: Williamsport, PA
Vehicle: 1999 tiburon fx
Default Octane Question

If i have half a tank of 91 octane gas, and put another half a tank of 94 octane gas, does it become 92.5 octane?
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Old Aug 9, 2012 | 07:54 PM
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Pretty much. Most gas stations usually just have 2 tanks. 1 for regular and 1 for premium. The mid grade is just 2 octanes mixed together when you're pumping.
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