Phaedras Posted December 13, 2004 Share Posted December 13, 2004 I get Chevron's Techron gas just for the heck of it, but I wanted to know if people have any experience with different gasolines, like differences in mileage, motor wear & tear, etc. Or is this another one of those discussions like the mineral vs. synthetic oil? :-) Link to comment Share on other sites More sharing options...
86subaru Posted December 13, 2004 Share Posted December 13, 2004 here is what i have , 86 spfi fwd a/t sedan, 88 dl d/r wagon, 88 tubo full time 4wd a/t wagon, all of these run better on shell 87 octine , if we buy maybe cheaper gas not always , we get aleast 2mpg less , on each car , but here again other board members have there own opinion , here in western ohio gas is 158.9 , columbus oh 154.9 Link to comment Share on other sites More sharing options...
Qman Posted December 13, 2004 Share Posted December 13, 2004 I seem to get the best performance and mileage from Chevron. I run Supreme in all of mine though. 2 Brats and Turbo Legacy all require it. Link to comment Share on other sites More sharing options...
Myxalplyx Posted December 13, 2004 Share Posted December 13, 2004 93 octane Wawa gas here for turbo, 89 octane Wawa for the N/As. Link to comment Share on other sites More sharing options...
nkx Posted December 13, 2004 Share Posted December 13, 2004 once the buggy is intercooled and i finish up the rust repair, im gonna be running 94 exclusively, if i can help it. i think sonoco is the only place around here that sells it. Link to comment Share on other sites More sharing options...
samo Posted December 13, 2004 Share Posted December 13, 2004 I use 76 and Chevron 92 and she runs just great. Anything less than premium and she pings like mad, though. Link to comment Share on other sites More sharing options...
subiemech85 Posted December 13, 2004 Share Posted December 13, 2004 top teir gas from quicktrip I find that the empty lite doesn't come on as soon as with the "other" brand gas http://www.toptiergas.com/ Link to comment Share on other sites More sharing options...
Ratty2Austin Posted December 13, 2004 Share Posted December 13, 2004 I use all EXCEPT arco (i think their gas is part water?) but i have found that it gunks up the valves and combustion chamber, and even injectors.. 87 oct. 89, 92 doesnt matter to me :-p Link to comment Share on other sites More sharing options...
ezapar Posted December 13, 2004 Share Posted December 13, 2004 shell/texaco mid grade. (hey austin. . . you mad or something? never call or drop by with surprises any more. . .) :-\ Link to comment Share on other sites More sharing options...
BlueTrain Posted December 13, 2004 Share Posted December 13, 2004 89 from Conoco. pings on 87 Link to comment Share on other sites More sharing options...
Scoobywagon Posted December 13, 2004 Share Posted December 13, 2004 I once did a comparison because I was making my living entirely on pizza delivery, so it was in my interest to find out what fuel got the best mileage. My test was simple. I ran 3 consecutive tanks of one brand of fuel, keeping meticulous records of mileage, then moved on to the next...same process. I tried Chevron, 76, Texaco, Shell and Arco (that's all we have out here). I broke it down to cents per mile for fuel costs. I don't have the exact numbers handy at the moment, but it came down to Chevron, 76 and Shell being the top 3 in that order. They were close enough that it didn't seem to matter which of these fuels I ran in terms of operating costs. However, in order for it to be worthwhile to run Texaco, it had to be at least 5 cents per gallon cheaper than Chevron. Arco was even worse at nearly 12 cents. I don't know about you, but I've never seen Texaco 5 cents cheaper than ANYBODY and Arco, though cheaper than Chevron is never 12 cents cheaper. Closest I've ever seen is 11 cents. The other thing to be aware of is that Arco uses lots of Methanol in its fuels. While that's good for the environment (sort of) and does help to clean SOME deposits, it is also corrosive and will eventually eat up your valves and exhaust, unless its all stainless. Texaco also uses somewhat higher levels of Methanol, but they've also got other additives that tend to offset this. Just my experience, Your Mileage May Vary....etc... Link to comment Share on other sites More sharing options...
WJM Posted December 13, 2004 Share Posted December 13, 2004 i always run 93...from Shell, Texico, chevron...never 76 stations and BP seems to be crappy nowadays. otherwise, in a non turbo, anything will work fine...i noticed NO performance/MPG gains from anything better than 87 on a SPFI kaa. on a 2.5 RS...it likes 93 over 87 for sure. Link to comment Share on other sites More sharing options...
MorganM Posted December 13, 2004 Share Posted December 13, 2004 As far as the actual brand does it really matter? They all get it from the same refinery in your area I usually run 89 octane in my EA82 SPFI. Link to comment Share on other sites More sharing options...
archemitis Posted December 13, 2004 Share Posted December 13, 2004 its all about the addatives. cheap fuel for cheap cars =] unless you got a turbo. Link to comment Share on other sites More sharing options...
Scoobywagon Posted December 14, 2004 Share Posted December 14, 2004 Once again, I'll tap into my bank of research on fuels... Base fuels are almost all the same. In fact, many brands of fuels are stored in the same tanks and are only differentiated by the additives that different companies add. The only exception to this (that I can find, anyway) is Arco. The other distributors apparently refuse to share tank space with Arco. To me, this implies something about the quality (or lack thereof) of Arco's base fuel. Additionally, Arco and BP have merged, so some of you east coasters who have maybe never heard of Arco will now have the benefit of access to their cheap gas. BTW, if your valves and exhaust ARE stainless....I HIGHLY recommend Arco. Since mine aren't I don't use Arco. Anyway...for the most part, base fuel is base fuel and one brand is differentiated from the others only by the additives they use and those are only added once the base fuel is in the truck. Simple as that. Link to comment Share on other sites More sharing options...
Phaedras Posted December 14, 2004 Author Share Posted December 14, 2004 ...for the most part, base fuel is base fuel and one brand is differentiated from the others only by the additives they use and those are only added once the base fuel is in the truck. Simple as that. Well, in that case one must ask which brand of gas uses better additives? I'm sure with today's technology you can find some sort of chemical solution that can clean you're engine while you drive, the question is does anyone deliver that effectoively at this point. Link to comment Share on other sites More sharing options...
archemitis Posted December 14, 2004 Share Posted December 14, 2004 yes, every gallon you buy is full of detergents, and all kinds of addatives... we get 10%ethanol up here in corn country =/ Link to comment Share on other sites More sharing options...
MorganM Posted December 14, 2004 Share Posted December 14, 2004 yes, every gallon you buy is full of detergents, and all kinds of addatives... we get 10%ethanol up here in corn country =/ It's funny down in Iowa you can get upto 20% ethanol and a lot of times 'mid grade' (90 octane) is cheaper than 'low grade' (87 octane) Link to comment Share on other sites More sharing options...
subynut Posted December 15, 2004 Share Posted December 15, 2004 I run Chevron only in Suby. 87 I think. I get nuttin but pinging at low RPMs with any other brands down here in SE Arizona. That's from regular to premium. Don't matter. My parents' 97 Outback seems happier on Chevron also. Well, I feel it. Dad don't. My boss gets 2-3 mpg better with chevron than with the others also. He's got a 01 honda accorn, 90somthin Cherekee, and a late 80's nissan pick up. Just for a different car comparison. Link to comment Share on other sites More sharing options...
Subamike Posted December 15, 2004 Share Posted December 15, 2004 here in Aus we get BP ultimate which is 98 octaine and I notice about an extra 35 miles per tank, they recon that it is really good for your engine as well. bp.ultimate . Mike. Link to comment Share on other sites More sharing options...
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