View Poll Results: What grade of gasoline do you put in your Maxima?
87 Octane
80
11.56%
89 Octane
87
12.57%
92 Octane
213
30.78%
over 92 Octane
303
43.79%
diesel: Are car takes gasoline?
9
1.30%
Voters: 692. You may not vote on this poll
What brand and grade of gas do you put in your Maxima?
08-09-2006, 07:43 PM
#202
92 is the minimum that has ever been in my tank. the previous owner(dads freind) i knew and was **** about keeping receipts(he has a stack of gas receipts all of which show premium was used), 92 i will put in, in most situations but 94 if the price is good.
08-10-2006, 12:14 AM
#203
I haven't had any problems with 87 yet but I'm at 3,500 feet, so that's more like 90-91 at sea level. I've had some friends throw knock sensor codes when using 85.
And for those people that are saying they "can't afford" premium...it's like $4 dollars extra compared to the cheaper stuff on an average sized refill.
And for those people that are saying they "can't afford" premium...it's like $4 dollars extra compared to the cheaper stuff on an average sized refill.
Damn that George Bush
08-14-2006, 07:15 AM
#210
Originally Posted by SilverMaxima06
Does it make any difference if I get Shell 93, Sunoco 93, or Mobil/Exxon 93???
Or are they all the same??
Thanks for the help!!
Or are they all the same??
Thanks for the help!!
Shell puts in an additive which is supposed to clean out deposits in your engine (v-power). That's what I usually get.
I stay away from Exxon gas as they have high amounts of sulfur in their fuels. Not sure about anything special with Sunoco
08-14-2006, 07:30 PM
#211
Member
Join Date: Mar 2006
Posts: 43
Originally Posted by MacGarnicle
Shell puts in an additive which is supposed to clean out deposits in your engine (v-power). That's what I usually get.
I stay away from Exxon gas as they have high amounts of sulfur in their fuels. Not sure about anything special with Sunoco
I stay away from Exxon gas as they have high amounts of sulfur in their fuels. Not sure about anything special with Sunoco
08-17-2006, 12:43 PM
#216
Originally Posted by TarHeelMax
I respectfully disagree. Performance is gained when an engine is fed its recommended AKI/RON fuel. Any higher than recommended, and you're wasting your money because the engine is already running the optimal timing program and fuel map and cannot take advantage of a more burn-resistant fuel index. Any lower, and a modern high compression engine will compensate (without knocking) by retarding timing. The VQ, for example, is one such engine with digital knock management. It won't ping if you feed it 86 octane, but you sure as heck aren't getting optimal performance out of the engine. Whether this is noticeable or worth the extra savings incurred by using a lower AKI/RON fuel, is up to the individual.
08-17-2006, 12:44 PM
#217
Originally Posted by vQ35LIFE
i go to getty or shell 93 with NOS octane booster it kicks in liek about 3 hourse but didnt expect its realy that good gives u 6 octane numbers to ur gas so ye 99 =D
Don't waste you're money on that NOS ****.
08-21-2006, 05:11 PM
#221
Member
Join Date: Jul 2006
Posts: 130
Originally Posted by wrkllc
87 always now at 400089 miles and still going 1991 GXE Maxima. Thats about 1096 tank fulls as I get anywhere between 300-365 miles still to the tank full. Saved a few bucks over the years.
Holy Crap!!
Have you needed any kind of major fixes to the engine or transmission??
09-05-2006, 03:51 PM
#232
Depends how you drive and where you drive. In a cool climate at high altitude with nothing but easy highway driving on flat ground, you'd have no performance loss and you might actually gain mileage. In a hot climate at low altitude with aggressive stop-and-go driving up and down hills, you'd lose a lot of performance and mileage.
09-05-2006, 05:40 PM
#233
Senior Member
Join Date: Nov 2000
Posts: 3,883
I use 86 octane when I can find it....
I was just given a $300 BP gas card from a client, so looks like I'll be using BP. Tried to get it the other day and the place actually converted into a Coastal. What a sham, the guy took seriously 15 min to fill me up, then he said cash only and couldn't give me a receipt. This dude in a Forrester was so pissed he just did a drive-off. What a weird situation in Jersey with the full service only there's no service.....
I was just given a $300 BP gas card from a client, so looks like I'll be using BP. Tried to get it the other day and the place actually converted into a Coastal. What a sham, the guy took seriously 15 min to fill me up, then he said cash only and couldn't give me a receipt. This dude in a Forrester was so pissed he just did a drive-off. What a weird situation in Jersey with the full service only there's no service.....
09-05-2006, 05:42 PM
#234
Senior Member
Join Date: Nov 2000
Posts: 3,883
Originally Posted by d00df00d
Depends how you drive and where you drive. In a cool climate at high altitude with nothing but easy highway driving on flat ground, you'd have no performance loss and you might actually gain mileage. In a hot climate at low altitude with aggressive stop-and-go driving up and down hills, you'd lose a lot of performance and mileage.
09-05-2006, 08:02 PM
#235
Originally Posted by Frank Fontaine
Mileage will not be affected as octane affects predetonation and when it will occur.
09-06-2006, 02:30 AM
#236
Senior Member
Join Date: Nov 2000
Posts: 3,883
Originally Posted by d00df00d
Yes, but knock (which is what I presume you meant by predetonation) or lack thereof determines how the ECU computes timing advance and air/fuel mixture, both of which have an impact on power and mileage.
USING HIGHER OCTANE FUEL WILL NOT IMPROVE FUEL ECONOMY, PERIOD.
09-06-2006, 04:40 AM
#237
Originally Posted by Frank Fontaine
No, mileage is not affected by knocking, nor is it affected by lower or higher octane. Your analogy is one of the oldest urban legends.
Originally Posted by Frank Fontaine
I once had a g/f who used premium so she could "get better mileage." I wish the perpetuation of these myths would stop because there are people out there who will believe in them.
USING HIGHER OCTANE FUEL WILL NOT IMPROVE FUEL ECONOMY, PERIOD.
USING HIGHER OCTANE FUEL WILL NOT IMPROVE FUEL ECONOMY, PERIOD.
So, please explain how injecting more fuel into the combustion chamber with each stroke does not directly translate to more fuel usage.
Please also explain how timing retard does not directly translate to reduced power, requiring greater throttle inputs to acheive certain acceleration and thus indirectly translating to more fuel usage.
The best you can do is to show that many people will not notice an improvement in MPG or performance, given typical driving habits. That is definitely true. But unless lower octane fuels somehow regenerate themselves to compensate for their faster usage, it is stupid to say that octane has no effect whatsoever on mileage. For SOME people, there will be a very direct, very tangible, very measurable effect.
Unless, of course, you live in a universe in which you can inject more fuel into the cylinders without drawing it from the fuel tank. In which case, hey... More power to you.
09-06-2006, 05:20 AM
#238
Banned
Join Date: Feb 2005
Posts: 4,269
I almost always use Sunoco becuase there are many around me, and alot of the times Sunoco has the lowest price in the area. Occasionally I will get gas from a Delta-Sonic carwash which is usually 2 cents lower then the lowest price within a mile (that is their guarantee) Ill buy Mobil if they drop to a reasonable price, which is rare, they are sometimes 20 cents higher than other places.
Im waiting patiently for 93 to drop below $3.00, its now at $3.04 at the Sunocos around here, its nice to know its coming down and not going up to $4.00
Im waiting patiently for 93 to drop below $3.00, its now at $3.04 at the Sunocos around here, its nice to know its coming down and not going up to $4.00
09-06-2006, 09:09 AM
#239
Member
Join Date: Jul 2006
Posts: 130
I would like to voice my new opinion on Sunoco gas. I think they are terrible for fuel economy but good for power. I actually feel the difference. Here is what I have to show for. I just started a new job and my commute is identical and driving conditions are practically the same every day with minor differences. All neglible.
Purchase Price Gallons Cost of Odometer Average
Date ($/G) Purchased Purchase (miles) MPG
9/6/2006 2.999 15.23 $45.67 3709
8/30/2006 2.999 13.828 $41.47 3264 29.22
8/28/2006 3.159 13.484 $42.60 2907 25.82
8/23/2006 3.059 14.733 $45.07 2503 29.96
8/21/2006 3.219 13.142 $42.30 2137 24.84
8/16/2006 3.159 13.592 $42.94 1791 26.33
8/13/2006 3.299 14.68 $48.43 1431 26.49
Sorry that may be hard to read, but to make it a little more simple to understand here is the trend I got:
??.?? Sunoco ***
29.22 BP
25.82 Sunoco
29.96 BP
24.84 Sunoco
26.33 BP
26.49 Shell
*** Just filled up on Sunoco today. If my fuel economy drops again, I will have to conclude its Sunoco. So far, I've noticed my fuel indicator dropping faster than the last tank with BP.
From what I see, BP gets superb mileage!!
Purchase Price Gallons Cost of Odometer Average
Date ($/G) Purchased Purchase (miles) MPG
9/6/2006 2.999 15.23 $45.67 3709
8/30/2006 2.999 13.828 $41.47 3264 29.22
8/28/2006 3.159 13.484 $42.60 2907 25.82
8/23/2006 3.059 14.733 $45.07 2503 29.96
8/21/2006 3.219 13.142 $42.30 2137 24.84
8/16/2006 3.159 13.592 $42.94 1791 26.33
8/13/2006 3.299 14.68 $48.43 1431 26.49
Sorry that may be hard to read, but to make it a little more simple to understand here is the trend I got:
??.?? Sunoco ***
29.22 BP
25.82 Sunoco
29.96 BP
24.84 Sunoco
26.33 BP
26.49 Shell
*** Just filled up on Sunoco today. If my fuel economy drops again, I will have to conclude its Sunoco. So far, I've noticed my fuel indicator dropping faster than the last tank with BP.
From what I see, BP gets superb mileage!!