I went to go get some gas at a full service gas station that i have been going to for years. The owner comes to fill me up like every
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11-30-2009, 09:58 PM | #1 (permalink) |
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87 octane fuel in the Z
I went to go get some gas at a full service gas station that i have been going to for years. The owner comes to fill me up like every other time, i pop my hood to check my oil myself. He ends up accidentily putting 14 gallons of 87 octane fuel into my z. After the car is filled up we both notice what has happened. I still had about 5 gallons of 93 in the z. I immediately head to the nearest auto store and buy some octane booster for the car, should i be ok?
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11-30-2009, 10:00 PM | #3 (permalink) |
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91 Octane is the minimum, so 5 gals of 93 helps...
Why not get a 5-gal gas can and siphon out some fuel from the tank, then throw in some more 93?
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11-30-2009, 10:15 PM | #4 (permalink) | |
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11-30-2009, 10:15 PM | #5 (permalink) |
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those octane boosters do almost nothing. you *might* get like 0.5 octane up at best.
you're better off just using it up (dont drive high rpm or push the car) or pour some toulene. |
11-30-2009, 10:42 PM | #8 (permalink) | |
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Use unleaded premium gasoline with an octane rating of at least 91 AKI (Anti-Knock Index) number (Research octane number 96). If premium gasoline is not available, unleaded regular gasoline with an octane rating of 87 AKI number (Research octane number 91) may be temporarily used, but only under the following precautions: . Have the fuel tank filled only partially with unleaded regular gasoline, and fill up with unleaded premium gasoline as soon as possible. . Avoid full throttle driving and abrupt acceleration.
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12-01-2009, 12:19 AM | #10 (permalink) |
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people freak out too much on this matter.
you are fine. you can drive around on 87 octane all day all night every month and be fine. the difference is your timing with change and you wont get the power the car could produce. while knocking/pinging is possible, its not too likely with today's technology. on top of that, the biggest and hardest obstacle IMO, when you put 87 in, is to remember not to floor the motor. high compression is what is bad for the motor w/ low octane, especially going 5krpms and up. lower engine speeds wont show much, if any, of a difference. |
12-01-2009, 12:50 AM | #11 (permalink) |
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As long as you're not driving it hard enough to cause detonation then you're not harming the engine. I've never heard it in the VQ37 but in other engines it sounded like marbles bouncing around inside the cylinders when you floor it. If you hear the engine making these sounds then back off. Drive it easy for a few days then fill up with premium.
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12-01-2009, 09:39 AM | #12 (permalink) |
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Won't hurt. The only thing that changes is timing and your ECU will adapt. You may feel performance degradation if you romp it, but like others have mentioned. Drive a little, then top off with 93, drive some more, top off with 93 - this will blend it well.
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11-18-2010, 06:34 PM | #13 (permalink) |
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Considering Nissan claims in the owner's manual the car may ping even with 91 AKI under certain situations, I wouldn't make a habit of it.
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11-18-2010, 07:48 PM | #15 (permalink) |
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You'll be fine if you accidentally put 87 I would just get the 93 back in asap. I'll never understand why people deliberately put the wrong low octane fuel in their high performance cars that specifically call for high octane, listed in several places, including stirring you in the face while you're filling right there on the gas door. Especially with how small out tanks are what is it a maximum of $2 difference between filling with 87 or 93. If your that strapped for cash you can't swing $2 you should probably not be driving at all, and certainly be looking for a different car.
Will it destroy your engine, of course not. But there is most definitely a difference and I just don't see a reason to ignore the manufacturers recommendations over something so trivial. Believe it or not sometime engineers actually know what their doing
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