awdG35killer Posted September 18, 2004 Share Posted September 18, 2004 which gas do you use and why? i use Chevron cuz i read an article a while back comparing and it was found the cleanest. Link to comment Share on other sites More sharing options...
crapy Posted September 18, 2004 Share Posted September 18, 2004 Mobil..because my cousin filled up my A4 for at least 3K miles.... but i might consider to change to shell when i got the B4. Link to comment Share on other sites More sharing options...
ssaldana Posted September 18, 2004 Share Posted September 18, 2004 Mobile.... the convenience of them being on every corner, though I cannot comment on their quality of gasoline. Link to comment Share on other sites More sharing options...
RobCatron Posted September 18, 2004 Share Posted September 18, 2004 Well, since the new Shell V-Power just came out around the time that I got my GT Limited, I have put nothing but that in it Rob Link to comment Share on other sites More sharing options...
scubie02 Posted September 18, 2004 Share Posted September 18, 2004 I've noticed I often do get different mileage using different gasoline, with Exxon/Mobil seeming to do the best. We don't really have Shell or Chevron around here much. Link to comment Share on other sites More sharing options...
kanoswrx Posted September 18, 2004 Share Posted September 18, 2004 I went back and forth between shell and sunoco (no chveron around here) when I first got my car. I found the shell to induce more stuttering then sunoco, so now I just use sunoco. Link to comment Share on other sites More sharing options...
SC GT Posted September 20, 2004 Share Posted September 20, 2004 I use Unocal. Why isn't it listed? Link to comment Share on other sites More sharing options...
awdG35killer Posted September 20, 2004 Author Share Posted September 20, 2004 cuz sunoco and unocal arent in SoCal Link to comment Share on other sites More sharing options...
scubie02 Posted September 20, 2004 Share Posted September 20, 2004 Actually, it seems to go more by dealer/the individual station than just brand from what I have seen. the last couple of tanks I got at a different exxon dealer and the mileage dropped to mid 25's. Then two days ago I got it at a Citgo and its been averaging 27.9-28.5. Its amazing how buying different places affects mileage so much. Link to comment Share on other sites More sharing options...
Deer Killer Posted September 20, 2004 Share Posted September 20, 2004 I was filling up with shell a lot when my stuttering problem could have been classified as "violent neck snapping". It's still there, but not quite as bad filling up with exxon for the last 2-3 tanks. Still no excuse. BTW always 93, next grade down is 89 around here. Link to comment Share on other sites More sharing options...
arcsine Posted September 20, 2004 Share Posted September 20, 2004 Shell most of the time, because it's good and right outside my place. Sunoco 94 once in a great while in place of fuel system cleaner. Link to comment Share on other sites More sharing options...
SC GT Posted September 21, 2004 Share Posted September 21, 2004 [quote name='iamEJ25']cuz sunoco and unocal arent in SoCal[/quote] unocal isn't in so cal? [place "really confused" emoticon here] Link to comment Share on other sites More sharing options...
B D Posted September 22, 2004 Share Posted September 22, 2004 Chevron with Techron. It's the best fuel due to the Techron additive which is a detergent to keep your internals clean. The Shell with V-Power is copy of the Chevron formula. If you do a search you will find the wonders of Techron, I personally have used Techron (bought in a separate bottle in addition to the gas) on older cars to help clean injectors and valves. I recommend adding a bottle of Techron to a full tank before an oil change since the deposits it cleans will now be in the oil. Make sure to do this two fill ups before the oil change so the Techron has finished doing its job. Link to comment Share on other sites More sharing options...
axis008 Posted September 22, 2004 Share Posted September 22, 2004 [quote name='B D']Chevron with Techron. It's the best fuel due to the Techron additive which is a detergent to keep your internals clean. The Shell with V-Power is copy of the Chevron formula. If you do a search you will find the wonders of Techron, I personally have used Techron (bought in a separate bottle in addition to the gas) on older cars to help clean injectors and valves. I recommend adding a bottle of Techron to a full tank before an oil change since the deposits it cleans will now be in the oil. Make sure to do this two fill ups before the oil change so the Techron has finished doing its job.[/quote] You seem to know your stuff! Does anyone have any comments on Arco gasoline? Usually my parents fill up at Chevron and Shell occassionally, but Arco seems to always have the best prices, so I find myself there more often. -ben Link to comment Share on other sites More sharing options...
B D Posted September 22, 2004 Share Posted September 22, 2004 More than you would ever want to know, get a pot of coffee ready if you want to read it all. [url]http://www.cs.uu.nl/wais/html/na-dir/autos/gasoline-faq/.html[/url] Arco gas is OK to answer your question. There is no bad gas but some like Chevron are better because of the detergents added. Link to comment Share on other sites More sharing options...
EyeFlyIsTheEye Posted September 23, 2004 Share Posted September 23, 2004 76. Link to comment Share on other sites More sharing options...
subylegacy Posted October 3, 2004 Share Posted October 3, 2004 76.. Link to comment Share on other sites More sharing options...
Rommel Posted October 28, 2004 Share Posted October 28, 2004 I think in So Cal Unocal is Union 76 Link to comment Share on other sites More sharing options...
Jimbo Posted October 28, 2004 Share Posted October 28, 2004 [size=1]Whatever brand AAFES sells.[/size] Link to comment Share on other sites More sharing options...
Hero Posted October 28, 2004 Share Posted October 28, 2004 My two favorite brands of fuel are BP and Chevron, then maybe Shell. My car has always seemed to have ran better on the first two ;) Link to comment Share on other sites More sharing options...
eamiller Posted October 28, 2004 Share Posted October 28, 2004 I came across this in our company-wide newsgroup (Delphi Automotive, in case you're wondering). This little tidbit of info came from "Chip", our resident automotive industry expert. (Quoting Chip) GM participated in developing a Top Tier Detergent Gasoline standard, which exceeds the detergency standards imposed by the EPA (applies to the United States only). Here's a list of gasoline brands that meet Top Tier standards as of August 15, 2004. Chevron Chevron has markets in 29 states in the West, Southwest and South. QuikTrip QuikTrip (not to be confused with Kwik Trip) operates convenience stores and travel centers in: Tulsa, OK Springfield, MO Kansas City, MO and Kansas City, KS Wichita, KS Des Moines, IA Omaha, NE St. Louis, MO and St. Louis, IL Atlanta, GA Dallas-Ft. Worth, TX Phoenix, AZ Bartlesville, OK Miami, OK Vinita, OK Columbia, MO (end quote) Unfortunately, being in Indiana, we have none of these around. This is in response to the fact that GM has been noticing warranty claims on fuel injectors and related fueling components. Basically, GM has determined that the EPA standards for detergent levels in gasoline is insufficient for modern fuel injected engines, and leads to impurity buildup and emissions/fuel system failure. BTW, the EPA detergent standard was made in the carbureted era, long before fuel injection had become the norm and hasn't changed since. Link to comment Share on other sites More sharing options...
kevinkingofimports.com Posted November 12, 2004 Share Posted November 12, 2004 Well, this is complete hearsay but I will post it anyway. I spoke with a well respected tuner and he said stay away from Chevron and Mobil. Apparently, these brands of gas did not perform as well as 76 and Shell. We were discussing dynoing in general and he mentioned that he has tested a few vehicles with different fuels and each demonstrated better results with 76 and Shell when talking about turbo applications. Subie.tv Link to comment Share on other sites More sharing options...
agctr Posted November 12, 2004 Share Posted November 12, 2004 For the land of the free, I cant believe that you get the worst fuel octane in the World. We run Shell Optimax Octane 98 and we are still screaming for more. That is why are STi's etc are detuned from the Japan rated 206 to our 195. If I was you, I would start a rally to get more Octane ASAP. Adam. Link to comment Share on other sites More sharing options...
eamiller Posted November 12, 2004 Share Posted November 12, 2004 [quote name='agctr']For the land of the free, I cant believe that you get the worst fuel octane in the World. We run Shell Optimax Octane 98 and we are still screaming for more. That is why are STi's etc are detuned from the Japan rated 206 to our 195. If I was you, I would start a rally to get more Octane ASAP. Adam.[/QUOTE] Octane rating isn't always the same. In the US, we use R+M/2 which is the average of the Motor Octane Number (MON) and the Research Octane Number (RON)... I believe in Japan and Aus use the RON method strictly, which produces a larger number (on average) than MON. So, basically our 93/94 octane is roughly equivalent to your 98 octane. Link to comment Share on other sites More sharing options...
agctr Posted November 13, 2004 Share Posted November 13, 2004 Thanks for that but you guys are still way down on EU, AU, JP, NZ etc Adam. Link to comment Share on other sites More sharing options...
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