View Poll Results: What grade of gasoline do you put in your Maxima?

87 Octane

11.56%

89 Octane

12.57%

92 Octane

213

30.78%

over 92 Octane

303

43.79%

diesel: Are car takes gasoline?

1.30%

Voters: 692. You may not vote on this poll

What brand and grade of gas do you put in your Maxima?

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01-27-2007, 01:41 PM

#321

kenshi

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Posts: 311

Quote:

Originally Posted by Silver Dingo

Interesting poll. Down here they reccomend 95 octane or better for the 3.5 engine.

I believe the rating system is different in U.S. than in many other countries and that translates into higher numbers outside the U.S.

01-27-2007, 03:06 PM

#322

Silver Dingo

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you may be on the money there Kenshi, but...you may not. After all you do drive on the wrong side of the road.

btw. Have any of you guys used the ethanol blend in your max. They are starting to promote it heavily down here but the results I got in my nissan truck were less than satisfactory. What are your experiences if any. Cheers.

01-27-2007, 03:30 PM

#323

kenshi

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Quote:

Originally Posted by Silver Dingo

you may be on the money there Kenshi, but...you may not.

Perhaps, but I believe you Ozzies use a rating systme called RON (Research Octane Number) and the U.S. uses AKI (Anti Knock Index) where 87 AKI would be 92 RON.

02-01-2007, 02:04 PM

#324

MrWangX

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Join Date: Jan 2007

Location: Atlanta

Posts: 15

93 Octane Only!!!!!!!

02-01-2007, 03:39 PM

#325

Frank Fontaine

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Posts: 3,883

Quote:

Originally Posted by kenshi

You're correct if you put high-octane fuel in a low-compression cylinder where the fuel might not completely be consumed, but the energy output of a given amount of fuel is the same regardless of the temperature it ignites at and AKI index indicates what that temperature is.

I recommend reading this FAQ at http://chemistry.about.com/gi/dynami.../gasoline.html and read section 6.13.

The only difference in each company's detergents is their formulation. Please refer to the paragraph in this link :http://chemistry.about.com/library/w...abyb100401.htm that states:

Regular Unleaded Gasoline

The recommended gasoline for most cars is regular 87 octane. One common misconception is that higher octane gasoline contains more cleaning additives than lower octane gas. All octane grades of all brands of gasoline contain engine cleaning detergent additives to protect against engine deposit build-up. In fact, using a gasoline with too high of an octane rating may cause damage to the emissions system.

I agree with you.

There are so many on this forum who actually think that their mpg's go up with super. The reality is they feel somehow that their cars are more important or valid if they use a more expensive gasoline. It would probably take a G35 with true duals for them to truly experience what they think they're experiencing with super in the Maxima.

I agree that up to 91 octane the Maxima has minimal gains. But as I said, I burned a lot of 93 out the tailpipe over the years, and now use stricty 87. No detriment, and my ego's not bruised in any way pumping 87.

02-01-2007, 03:49 PM

#326

beakersloco

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Join Date: Mar 2006

Posts: 29

Premium is all I use.

02-02-2007, 07:32 AM

#327

clayman88

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I use 91 in my I30. I can't say that I tell a big difference between premium & regular, but thats what is recommended so I use it. I doubt there would be any noticeable gains using higher than 91.

02-02-2007, 08:00 AM

#328

platinum03SE

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Posts: n/a

hey i dont know about any of you on here my my maxima runs like **** on shell gas now. i used to put the vpower in my talon and it was great!!! put it in my maxima, ****!!!!

I stick with sunoco ultra 93 and mobile 93. i also used the valero gas a few time and noticed some more 'pep' in my cars performence.

BUT....anyone from the new england area, irving gas....93, lets just say go check it out for urself.

02-04-2007, 08:19 AM

#329

chris288

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Posts: 18

whatever 87 is cheapest,

02-04-2007, 06:22 PM

#330

abustiffy

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Im a big person for running enough octane. However My 95 runs just as well on 89 as it does on 92. I dont have any knock data to back this up 100%. I do notice the car is a but more sluggish at wot on 87, so I put a stop to that after trying it a few times. If I were to ever do any serious mods Im sure Id step up, especially if knock was present. As of now the car is my comfy daily driver.

02-04-2007, 07:13 PM

#331

kbjy11

Member

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Posts: 94

any dynos comparing running regular vs premium?

02-05-2007, 09:37 AM

#332

kenshi

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Posts: 311

Quote:

Originally Posted by Frank Fontaine

:I agree that up to 91 octane the Maxima has minimal gains. But as I said, I burned a lot of 93 out the tailpipe over the years, and now use stricty 87. No detriment, and my ego's not bruised in any way pumping 87.

Well, my owner's manual recommends 91 and I don't really want to use anything less especially in very hot weather. In the wintertime I'm not as concerned. However, in the summertime, with different gasoline formulation and not wanting to have pre-detonation (knock), which is the worst abuse you can put on a piston, I want fuel with at least 91 octane.

The gas companies are pretty clever about what they sell though. You have to but a higher octane gas in your car than you really need. One way around it is to mix grades when fueling, but that means 2 transactions for an empty tank or fueling when half-empty and remembering what grade you last put in the car.

02-05-2007, 12:58 PM

#333

kenshi

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Quote:

Originally Posted by kbjy11

any dynos comparing running regular vs premium?

http://forums.maxima.org/showthread....377#post740377

02-11-2007, 05:23 PM

#334

RidinDirty

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Join Date: Feb 2007

Posts: 34

Good ol Chevron with techron 92 oc

02-16-2007, 07:22 PM

#335

maxforlife

Junior Member

Join Date: Feb 2007

Posts: 20

Cheapest one, cuz I don't giva F***
(and because I' poor)

02-16-2007, 10:32 PM

#336

swatspyder

Gotcha!

Join Date: Feb 2007

Posts: 117

Im a sucker for premium although my max does seem to run better on it than regular.

02-17-2007, 02:17 PM

#337

MrTrace

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Join Date: Jan 2006

Posts: 12

Nothing like Shell's V-power (93) for me. I've used Exxon/Mobil's, Lukoil, Sunoco and Amoco's premium and none have given me the performance like Shell.

02-17-2007, 03:45 PM

#338

doc2278

Doctor D I presume???

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93 octane,... sunoco style,...pay only 2.23 here in NJ.

she purrs with the 93, perky.

02-18-2007, 01:21 PM

#339

adio

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occasionall, i use 89

02-18-2007, 05:04 PM

#340

kenshi

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As probably mentioned earlier, BMW, General Motors, Honda, and Toyota developed standards for their approval of detergent gasolines. The current brands that meet the standards are:

QuikTrip
Chevron
Conoco
Phillips
76
Shell
Entec Stations
MFA Oil Company
Kwik Trip/Kwik Star
The Somerset Refinery, Inc.
Chevron-Canada
Aloha Petroleum
Tri-Par Oil Company
Shell-Canada
Texaco
Petro-Canada

This link describes the criteria that all grades of their gasoline must meet.

02-19-2007, 10:30 AM

#341

ZaxWhite97Max

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I run 91 octane. Works fine. If I put something other cheaper grade in it. It always messes with my fuel sensor. Had to replace-

02-19-2007, 11:30 AM

#342

d00df00d

Old enuf to pick his own gears

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...What the hell is a fuel sensor?

02-20-2007, 06:24 AM

#343

Jason_03_Max

Junior Member

Join Date: Feb 2007

Posts: 17

i always use 93 from whatever place has it cheapest. no problems here.

02-20-2007, 01:42 PM

#344

rmd0311

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Mobil 93 ONLY ----

If no Mobil around, I use whatever the cheapest most recognizable brand is. Here in the New York that usually Amoco

02-21-2007, 10:51 AM

#345

MerlotMax

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Posts: 462

The ECU is maped to run 91 octane(research). Nissan does not run a duel map like the higher end cars, ie BMW, to run different octane ratings. There is no gain in running over 91 octane unless the ECU has been remapped. It's just like burning your cash

. I run Chevron w/techron 91 oct.

02-21-2007, 10:54 AM

#346

kenshi

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Posts: 311

Quote:

Originally Posted by rmd0311

Mobil 93 ONLY ----

If no Mobil around, I use whatever the cheapest most recognizable brand is. Here in the New York that usually Amoco

Mobubble was the first detergent gasoline marketed before federal mandates.

I haven't seen an Amoco station in years. Didn't BP take them over? In any case all grades and brands have to pass the same tests.

02-21-2007, 01:15 PM

#347

choppy718

Member

Join Date: Jan 2007

Posts: 52

sunoco 93, wuddnt have it any other way

02-21-2007, 07:08 PM

#348

d00df00d

Old enuf to pick his own gears

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Quote:

Originally Posted by MerlotMax

Nissan does not run a duel map like the higher end cars, ie BMW, to run different octane ratings.

Yes, they do. It's just that the two maps are for 91 vs. 87 octane...

02-21-2007, 07:19 PM

#349

Nealoc187

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I run 87 whatever brand in my daily driver max and 93 whatever brand (usually BP or Shell) in my turbo max.

02-21-2007, 07:22 PM

#350

d00df00d

Old enuf to pick his own gears

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See? That's why your user text says "slow as molasses".

02-22-2007, 06:54 PM

#351

kenshi

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Quote:

Originally Posted by d00df00d

Yes, they do. It's just that the two maps are for 91 vs. 87 octane...

I'd like to read up more on that. Do have a link or a reference I could check out?

Thanks

02-23-2007, 07:00 PM

#352

TJM339

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I use 91 but have used regular and see no difference in performance

02-23-2007, 08:23 PM

#353

andrei3333

Senior Member

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Posts: 2,391

i never seen 92 gas in canada, just 87, 89, 91, and 94

i get 91

02-27-2007, 08:15 PM

#354

absoundlab

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120 all the way

02-28-2007, 02:10 PM

#355

d00df00d

Old enuf to pick his own gears

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Quote:

Originally Posted by kenshi

I'd like to read up more on that. Do have a link or a reference I could check out?

Thanks

Just noticed this response. One explanation is in this post: http://forums.maxima.org/showpost.ph...6&postcount=19

I know I've read more on this but I can't remember where. If I don't respond again, badger me by PM.

02-28-2007, 04:40 PM

#356

03MAXTNR

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Location: Lyman, Maine

Posts: 151

I mostly put 93 but when the prices spike, i tend to run 87 but only 1 or 2 fillups at most per month

02-28-2007, 06:46 PM

#357

707SE

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I just filled up my wifes Ford Escort with Shell 93 VPower. I know it's an Escort but I'm interested to see how it performs.

I've filled the Max up with Chevron 93 the past year. I've wondered how the Shell 93 would do in the max...