92 vs 87 octane - Mustang Evolution

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Old 12-02-2012, 09:00 PM   #1
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92 vs 87 octane

I'm new to the mustang world so I figured I better seek you guys advice. The manual says use 87 octane but I've been using 92. Is there any harm in that. I just have a stock 4.6 motor. Thanks!
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Old 12-02-2012, 09:04 PM   #2
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Quote:
Originally Posted by Trickster929
I'm new to the mustang world so I figured I better seek you guys advice. The manual says use 87 octane but I've been using 92. Is there any harm in that. I just have a stock 4.6 motor. Thanks!
No harm to the car, just to your pocketbook.
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Old 12-02-2012, 09:54 PM   #3
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Higher octane the better is what I've always been told.
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Old 12-02-2012, 10:01 PM   #4
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The octane rating is the amount of pressure it takes to make it most combustible. That maynot be the exact meaning, but something all.g those lines. Imo you are eating your money unless the car calls for it or you are tuned for it. Everyone always thinks they are getting cleaning better quality gas, it that is just a myth. Save yourself some money and stick with the 87.
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Old 12-03-2012, 05:40 PM   #5
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Thanks guys! I better stick to 87 then.
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Old 12-03-2012, 06:03 PM   #6
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I don't mind spending an extra $5 on a fill-up for premium. I throw the crap gas in my beater lol
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Old 12-03-2012, 07:00 PM   #7
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Thanks guys! I better stick to 87 then.
The only thing I've noticed in person is a buddy of mine has an 02 gt auto that had a bad problem of missing when he cranked it. Went from 87 to 93 and it hasn't missed since.
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