regular, mid-grade or premium ? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-14-2003, 11:23 PM   #11
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I haven't seen 93 at that price in 5 years! The lowest was 1.719 here in Chicago.
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Old 07-14-2003, 11:27 PM   #12
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Quote:
Originally Posted by ssesc93
I haven't seen 93 at that price in 5 years! The lowest was 1.719 here in Chicago.
Well, like I said, I shouldn't whine about it. It had been hovering around $1. 65 for quite a while before it dipped, but it will probably go back up soon. I don't think I've seen it over $1.71 in well over a year.
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Old 07-14-2003, 11:28 PM   #13
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premium gas here in Michigan is about $1,70 a gallon right now. I've seen it as high as $1.80 a gallon in the past month though. On a supercharged car, yes, run premium. BUT on an NA car, don't waste your gas, just run 87. It will only make a difference if there is something wrong with your car to begin with. also, it is basically almost a myth that premium gas cleans your car better than regular, it really doesn't make that much of a difference. Just put some fuel injector cleaner in there, it'* cheaper.
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Old 07-15-2003, 01:59 AM   #14
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ive used that injector stuff...doesnt do anything for me that ive noticed...i see more of a jump from premium or mid-grade gas than some of the alchohol based cleaners. but i guess its a personal preference huh ??

and as for gas prices...i paid 1.63 (thats with a gas card) get a lil discount from that heh (3 cents per gallon)
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Old 07-15-2003, 02:20 AM   #15
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Im tempted to use injector cleaner or fuel system cleaner like STP just to make sure that isn't hurting my milage.... And so i know where the car is at, since i just got it a month or so ago.
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Old 07-15-2003, 02:54 AM   #16
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i usually run 93 octane...then EVERYTime I fill up...i put in STP gas treatment (up to 21 gallons) and STP Octane booster....when i first put it in i noticed right away it ran better and smoother...also everytime i change my oil i get that restore engine treatment that restores compresion and cleans **** supposidly...my car runs good now...but fillin up is costly like 30 bucks a fill up....sometimes 23 if i find gas treatment and octane booster on sale at walmart but you have to be 18 to buy the octane booster but sometimes they dont card me since im only 17...i look older...
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Old 07-15-2003, 03:02 AM   #17
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Higher octane doesn't clean out anything, all it does is burn when its supposed to more then lower octane fuel. thats why high compression engines require high octane, so they burn more consitently with the high compression ratios..
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Old 07-15-2003, 03:17 AM   #18
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that by product (injector cleaner) I think would be found in meth labs.
why do you have to be 18 to get injector cleaner???? do they think on kid has a good enuf car to need it? but I quess if you want to get high on a budget
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Old 07-15-2003, 04:23 AM   #19
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We put premium in everything but the Beretta and '93 Olds 88. We occasionally put premium in the Olds 88 because on Tuesdays 92 Octane is the same price as 87 so there are big *** lines out into the street at all the gas stations around here on Tuesdays. We put nothing but 94 Octane in the GTP, and try to put 93 or 94 Octane in the SSEi. In the '90 Turbo Grand Prix, we just put in whatever they have as long as it is 92 or higher. The '48 GMC gets 92 octane or higher (350 *.B.C.). We pay $1.80 a gallon for 94 octane, and don't complain at all. If you are going to drive cars that have power, you have to pay the price, and we have no problem spending the extra money to run 94 octane in the GTP & SSEi. $1.80 is a lot better than the $3.50 we spend for 100 & 104 octane.
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Old 07-15-2003, 04:56 AM   #20
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My car has gotten to the point that I can actually tell the difference between 91 and 93 Octane. With a few mods, things change, and the octane requirement seems to go up. When I first had the car, before any mods, I could actually run 89 and not notice it......but did it rarely.

Now it'* 92 minimum. The car doesn't even like 91 any more.
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