Thoughts on Quality Gas?

binary0x01 · 10-26-2012, 01:57 PM

I rate my gas (this is butt dyno whatever, but I have a pretty accurate butt dyno(girls agree haha

)

1. 76
2. Shell
3. Chevron -- only use this when the other two are too far away, happens seldomly but does happen

2011 Nismo#91 · 10-26-2012, 03:20 PM

Intresting,

Typically use Sunoco since they are the closest and have 93 but they don't show up on the list. I guess I could try shell though they are a bit out of the way.

Drex · 10-26-2012, 04:25 PM

some interesting posts on this topic in this thread on another forum: Why is Sunoco not a top tier gas - Corvette Forum

look for posts by "LDB" (his first one is #45 in the thread)

SmallermouseZ · 10-26-2012, 05:16 PM

Chevron 94 all the way. 0% ethanol

Dwight Frye · 10-26-2012, 05:39 PM

Quote:

Originally Posted by Haboob

Def. no ARCO - that's just watered down gasoline from Mexico. Made my car run like **** when I put it in one time - I had to test it. It's also the reason it's like $1 cheaper than everything else.

I only use QT gas. Chevron and Shell are far too expensive out here - almost $.50 more per gallon it seems.

I have been running nothing but ARCO in my Z and G35 before that and a couple of other cars before those with no problems or poor performance at all. It's BP gas if I recall. We have about the highest gas prices in the country here in CA, I paid $4.74.9 last week for 91 Octane and I need all the price break I can get. Arco is the least expensive "name brand"
I do not buy from the no-name "Thrifty Gas" stations.
Regarding additives, I add 6 oz of MMO (That's Marvel Mystery Oil for those of you in Rio Linda) to a tank every thousand miles, and a bottle of Techron to the tank before each oil change. These seem to compensate for the additives that Shell or Chevron add and I come out ahead in the long run.

The MMO is good for the lubing the upper cylinder area, fuel pump and sending unit in the tank, which helps prevent the erroneous fuel level readings that many report, and the Techron cleans the injectors with a high dose of PEA.

Z370Z011 · 10-26-2012, 06:48 PM

Does 93 make a difference?
I guess i can see it on a boosted car, but on a NA, would it improve milage or HP??

Z370Z011 · 10-26-2012, 06:50 PM

Quote:

Originally Posted by Dwight Frye

I have been running nothing but ARCO in my Z and G35 before that and a couple of other cars before those with no problems or poor performance at all. It's BP gas if I recall. We have about the highest gas prices in the country here in CA, I paid $4.74.9 last week for 91 Octane and I need all the price break I can get. Arco is the least expensive "name brand"
I do not buy from the no-name "Thrifty Gas" stations.
Regarding additives, I add 6 oz of MMO (That's Marvel Mystery Oil for those of you in Rio Linda) to a tank every thousand miles, and a bottle of Techron to the tank before each oil change. These seem to compensate for the additives that Shell or Chevron add and I come out ahead in the long run.

The MMO is good for the lubing the upper cylinder area, fuel pump and sending unit in the tank, which helps prevent the erroneous fuel level readings that many report, and the Techron cleans the injectors with a high dose of PEA.

MMO goes in your fuel tank? Never heard of it but you made me want to buy some of this stuff lol

PaulZ370 · 10-26-2012, 07:44 PM

Quote:

Originally Posted by Z370Z011

Does 93 make a difference?
I guess i can see it on a boosted car, but on a NA, would it improve milage or HP??

The higher the Octane Rating, the less "knocK" you get (ie premature detonation of the gas in the cylinder prior to the spark plug firing - ie pre-ignition). As the computer detects these pre-ignitions, it starts to retard the timing to compensate. This robs the engine of Horsepower. So, in effect, the higher the octane rating, the more Horsepower you retain as you get less knock. This translates to better response, and better gas mileage.

That's about it in a nutshell.

sparky · 10-26-2012, 08:10 PM

Quote:

Originally Posted by SmallermouseZ

Chevron 94 all the way. 0% ethanol

2011 Nismo#91 · 10-26-2012, 08:30 PM

Quote:

Originally Posted by Z370Z011

Does 93 make a difference?
I guess i can see it on a boosted car, but on a NA, would it improve milage or HP??

Not in a NA car. Some people do it because they just feel better.

PaulZ370 · 10-26-2012, 08:42 PM

Quote:

Originally Posted by 2011 Nismo#91

Not in a NA car. Some people do it because they just feel better.

Hmmm so in your opinion, we could use 87 Octane gas just the same as the 91/93 or 94 Octane? I'd hate to throw money down the drain just to feel better...

Roadster4Us · 10-26-2012, 10:43 PM

Quote:

Originally Posted by PaulZ370

Hmmm so in your opinion, we could use 87 Octane gas just the same as the 91/93 or 94 Octane? I'd hate to throw money down the drain just to feel better...

You had it right in your previous post.

Haboob · 10-26-2012, 11:21 PM

Quote:

Originally Posted by Dwight Frye

I have been running nothing but ARCO in my Z and G35 before that and a couple of other cars before those with no problems or poor performance at all. It's BP gas if I recall. We have about the highest gas prices in the country here in CA, I paid $4.74.9 last week for 91 Octane and I need all the price break I can get. Arco is the least expensive "name brand"

ARCO is definitely not like that over here. It's the worst gas you can buy in Phoenix.

Zoren 370 · 10-27-2012, 02:09 AM

Im surprised that BP is not one of the Top tier stations.
Never tried Chevron but did hear from a friend her car is more fuel efficient with Chevron.

Chan Chee Hoe · 10-27-2012, 02:15 AM

Quote:

Originally Posted by Z370Z011

Does 93 make a difference?
I guess i can see it on a boosted car, but on a NA, would it improve milage or HP??

No up in H.P.,but noticed to be more smoother when using high octane petrol.

10-26-2012, 01:57 PM	#31 (permalink)
binary0x01 Track Member Join Date: Jun 2012 Location: Idaho Posts: 892 Drives: 2012 6-SPEED 3.7L Z Rep Power: 14	I rate my gas (this is butt dyno whatever, but I have a pretty accurate butt dyno(girls agree haha ) 1. 76 2. Shell 3. Chevron -- only use this when the other two are too far away, happens seldomly but does happen __________________ Tune (by Seb@SpecialtyZ) -- Upgraded Parts List : When in doubt, use brute force; if it doesn't work, you aren't using enough.

10-26-2012, 04:25 PM	#33 (permalink)
Drex Enthusiast Member Join Date: Apr 2011 Location: Maryland Posts: 498 Drives: '11 370z MB 6MT SP Rep Power: 14	some interesting posts on this topic in this thread on another forum: Why is Sunoco not a top tier gas - Corvette Forum look for posts by "LDB" (his first one is #45 in the thread) __________________ 2011 Nissan 370z \| 6MT \| Magnetic Black \| Sport Package

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10-26-2012, 03:20 PM	#32 (permalink)
2011 Nismo#91 A True Z Fanatic Join Date: Mar 2011 Location: NJ Posts: 2,385 Drives: slowly Rep Power: 40569	Intresting, Typically use Sunoco since they are the closest and have 93 but they don't show up on the list. I guess I could try shell though they are a bit out of the way.

10-26-2012, 05:16 PM	#34 (permalink)
SmallermouseZ Enthusiast Member Join Date: Oct 2011 Location: Vancouver Posts: 368 Drives: 2012pw 6mt sport/nav Rep Power: 13	Chevron 94 all the way. 0% ethanol

10-26-2012, 06:48 PM	#36 (permalink)
Z370Z011 A True Z Fanatic Join Date: Jul 2012 Location: Los Angeles CA Posts: 1,052 Drives: PearlWhite 370z 6MT Rep Power: 14	Does 93 make a difference? I guess i can see it on a boosted car, but on a NA, would it improve milage or HP??

10-27-2012, 02:09 AM	#44 (permalink)
Zoren 370 A True Z Fanatic Join Date: Mar 2012 Location: FL Posts: 11,018 Drives: 11 Nissan 370 M6 Rep Power: 1913653	Im surprised that BP is not one of the Top tier stations. Never tried Chevron but did hear from a friend her car is more fuel efficient with Chevron.