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2007+ Infiniti G35

945 messages,  Last post on Jun 10, 2009 at 9:38 PM

You are in the Infiniti G35 Forum. Your Hosts are pat & karens

What is this discussion about? Infiniti G35, Coupe, Sedan


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#915 of 945
Re: Type of Fuel [gurug] by lra
Sep 28, 2008 (5:50 am)
Reply

Replying to: gurug (Sep 19, 2006 8:25 pm)

Here is a little known but true fact. If you mix different octane levels the result will be a HIGHER octane level. So if you put in 50% 87 and 50% 91 you get something like 93-94! octane.
#916 of 945
Re: Type of Fuel [lra] by paulo6
Sep 28, 2008 (7:54 am)
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Replying to: lra (Sep 28, 2008 5:50 am)

That makes absolutely NO sense....how about the average of the two, like 89 sound?
#917 of 945
Re: Type of Fuel [paulo6] by circlew
Sep 28, 2008 (9:17 am)
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Replying to: paulo6 (Sep 28, 2008 7:54 am)

I found this which should shed some light.
 
Using higher octane than your car needs is a waste of money. And yes, mixing 91 and 86 half and half will yield approximately 88.5. If your car requires regular, anything up to approximately 89 octane is good. Many service stations have only 2 tanks, but dispense 3 grades. They get mid-grade by mixing regular and super in the mid-grade pump, and there are no problems
 
Regards,
OW
#918 of 945
Re: Type of Fuel [paulo6] by lra
Sep 30, 2008 (5:27 am)
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Replying to: paulo6 (Sep 28, 2008 7:54 am)

"That makes absolutely NO sense....how about the average of the two, like 89 sound? "
 
It sounds as if you are thinking about math. You have to remember that this is chemistry, not match. Do a Google search. You will find that mixing different octane levels will produce some interesting results. But I will correct one point. Back in the day when there was LEADED fuel mixing two levels could produce higher octane levels but with UNLEADED it is closer to an average but still higher than what you would expect.
#919 of 945
Re: Type of Fuel [lra] by paulo6
Sep 30, 2008 (7:13 am)
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Replying to: lra (Sep 30, 2008 5:27 am)

I did research...also work at Ford in fuel systems for 15 years! It does not produce 93 or 94 octane as mentioned above..
#920 of 945
High Speed Vibration by lra
Oct 01, 2008 (5:49 am)
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Recently purchased a 2007 G35 with 25,000 miles. I noticed that about 65 mph there is a noticable vibration that gets real pronounced at 70 mph. What should I have the dealer check? Tires? Front end?
#921 of 945
Re: High Speed Vibration [lra] by paulo6
Oct 01, 2008 (10:04 am)
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Replying to: lra (Oct 01, 2008 5:49 am)

first thing to check is wheel balance...if it starts vibrating at the steering wheel at high speeds, wheel balance will be the first thing I will check. Could be other factors, but wheel balance is a good cheap place to start.
#922 of 945
Re: High Speed Vibration [lra] by stevere
Oct 01, 2008 (7:25 pm)
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Replying to: lra (Oct 01, 2008 5:49 am)

It is under warranty - just tell them TO FIX IT:) Serious, tell them the problem and let them fix it - should not have to explain to them where the problem is. Could be many things.
#923 of 945
Re: High Speed Vibration [paulo6] by lra
Oct 02, 2008 (5:27 am)
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Replying to: paulo6 (Oct 01, 2008 10:04 am)

I think it might be a wheel also. I noticed that if I drive a long distance at high speed then the tire pressure light come on but goes out when I slow down. I think the vibration in the wheel or tire is causing the tire pressure sensor to malfunction.
#924 of 945
Re: 2007G35X Still loses radio presets [praveen310] by 1gr8cpa
Oct 02, 2008 (4:37 pm)
Reply

Replying to: praveen310 (Aug 11, 2008 5:19 am)

6th and 7th time the memory failed. Requested arbitration

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