Posted: 6/2/2011 1:25:56 PM EDT
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Are there any octane boosters that actually work, and are safe for you car? I may be taking a trip to higher altitudes soon where they only have 90 octane gas, but my car is turbocharged so it still wants 93. A couple friends told me to look for a booster with toluene, but it looks like everything has xylene/MMT now, and I really doubt a quart of either one is going to give me another 3 octane points in a 15gal tank. Do any of the octane boosters work, or is adding a few gallons of race gas (which really isn't very practical) about my only option? |
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Quoted: Are there any octane boosters that actually work, and are safe for you car? I may be taking a trip to higher altitudes soon where they only have 90 octane gas, but my car is turbocharged so it still wants 93. A couple friends told me to look for a booster with toluene, but it looks like everything has xylene/MMT now, and I really doubt a quart of either one is going to give me another 3 octane points in a 15gal tank. Do any of the octane boosters work, or is adding a few gallons of race gas (which really isn't very practical) about my only option? We got some of them there pinwheel motors up here, too, son...and they run mighty fine. |
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It's a GTI with aftermarket tuning. I can run stock, 91 octane program, or 93 octane program. I'll probably just switch to the stock program the first time I fill up with 90 and run stock until I get back to lower elevations. I was just hoping I wouldn't have to do that because it'll take some fun out of driving in the mountains. ETA: I think there is a fuel distributer in the town I'm going to that probably sells race gas. Maybe I'll just mix some in for one nice long ride one day. |
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Quoted: It's a GTI with aftermarket tuning. I can run stock, 91 octane program, or 93 octane program. I'll probably just switch to the stock program the first time I fill up with 90 and run stock until I get back to lower elevations. I was just hoping I wouldn't have to do that because it'll take some fun out of driving in the mountains. Which mountains? Because it is kinda hard to showboat around the Rockies with all the tourists on the roads during the summer. |
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Quoted: Southern part of Colorado. I don't think it's a very touristy area compared to other parts of the Rockies, but you might be right.Quoted: It's a GTI with aftermarket tuning. I can run stock, 91 octane program, or 93 octane program. I'll probably just switch to the stock program the first time I fill up with 90 and run stock until I get back to lower elevations. I was just hoping I wouldn't have to do that because it'll take some fun out of driving in the mountains. Which mountains? Because it is kinda hard to showboat around the Rockies with all the tourists on the roads during the summer. |
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Quoted: Quoted: Southern part of Colorado. I don't think it's a very touristy area compared to other parts of the Rockies, but you might be right.Quoted: It's a GTI with aftermarket tuning. I can run stock, 91 octane program, or 93 octane program. I'll probably just switch to the stock program the first time I fill up with 90 and run stock until I get back to lower elevations. I was just hoping I wouldn't have to do that because it'll take some fun out of driving in the mountains. Which mountains? Because it is kinda hard to showboat around the Rockies with all the tourists on the roads during the summer. Nope, just hippie enclaves and old VW Buses in the San Luis Valley up to Gunnison.  |
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As much as I hate to admit it, gasoline with 10% ethanol will do just fine . With an RON of 133 and a MON of 105 for an R+M/2 of 119, it should blend with 90 AKI to make 93. Why isn't it listed? AKI is determined at the refinery. Ethanol blending happens at the terminal. Since there is a variable effect of ethanol and the blending can vary, they only go by the refinery rating at the pump, not the possible blending effects. |
