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11-14-2006, 03:32 PM | #1 |
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Methanol or Ethanol for power/performance???
I've been using the SMC system for over a year now having great luck using 50/50 blend of denatured alcohol (ethanol) and water. I just got my kit overhauled as I transition from the washer tank under the hood, to the 12L sti tank in the trunk, and am wondering if I should switch over to methanol instead? Both are pretty easy to obtain in my area and I'm also considering stepping up to a 75% alk 25% water blend.
Any thoughts on which alcohol is better, Methanol or Ethanol (denatured alcohol), combined with water for power/performance? All comments appreciated***8230;
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11-14-2006, 04:04 PM | #2 |
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isn't methanol cheaper
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11-14-2006, 05:30 PM | #3 |
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I did research on Methanol and Ethanol awhile back. Denatured Ethanol has a higher octane than Methanol. But in a trade off it has less evaporative power than Meth. But if you are mixing water with it, that would kind of offset the heat absorbsion difference. But the much higher octane of Ethanol is enough to convince me.
http://forums.nasioc.com/forums/show...40&postcount=5 http://forums.nasioc.com/forums/show...67&postcount=7 |
11-14-2006, 07:05 PM | #4 |
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im interested in running meth but have no idea where to start or if i even can....i have an EJ20 in a 05 WRX with the following mods....VF22 turbo, STI intercooler, PE 650cc injectors, walbro 255 pump, accessPORTwith street tuner software upgrade, TXS turbo back exhaust (HUGE down pipe), TXS up pipe, K&N typhoon intake, avid motor mounts, Greddy RS BOV, Greddy Profec B spec II boost controller, HKS turbo timer, and misc guages n stuff. thats about all i can think of for mods right now. ok so thats what i have, now i want to know everything anybody can tell me about meth...EVERYTHING!!!!! positives, negative, how does it work and will it work with my set up?.
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11-14-2006, 07:11 PM | #5 |
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Read the FAQ at the top of the page. There's good information there. Also check out enginerunup.com. Then read the forums and FAQs at alcohol-injection.com, coolingmist.com and aquamist.co.uk.
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11-14-2006, 07:14 PM | #6 |
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actually after reading this thread now I'm interested in running ethanol! I didn't know it was denatured alcohol. that's got to be easy to get. isn't that what you can buy at walgreens?? and I would imagine its pretty cheap depending on the consumption and the mix ratio...any help of sites where to buy kits or info explaining how it woks would be super!
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11-14-2006, 08:25 PM | #7 |
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Great info thanks! I tried to some searching but couldn’t find anything comparative. This looks pretty good...
Yeah I’ve been using the 1Gal cans from your local home-improvement store in the paint isle. Says right on it “Denatured Alcohol” then as you read the details it states 99% ethanol (with a splash of meth of course). I had great luck on it, but seems everybody is running methanol, so I figured there’s got to be some better reason? |
11-14-2006, 08:35 PM | #8 | |
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Quote:
also the alcohol I'm thinking of we use in the machine shop to clean with and sometimes we get 55 gallon drums of it so if that's the same stuff the I should go that route cause it will be free!! it says denatured alcohol on the label. I'm going to look this week and see if it says ethanol on it somewhere! |
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11-14-2006, 08:45 PM | #9 | |
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11-14-2006, 10:45 PM | #10 |
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Ok that is great news about the Ethenol. I have a can of Denatured Alcohol in my hand and in the back it says:
"the finest ethyl alcohol combined with small amounts of methanol and other chemicals to denature it......" Is this the right stuff? Ethyl and Ethonal the same exact stuff? Its from ACE, and the front reads Pure Denatured Alcohol |
11-14-2006, 11:11 PM | #11 | |
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BTW, Klean Strip SLX Denatured Alcohol at Home Depot stores is about 50% ethanol and 50% methanol. I'm getting a 5 gallon jerry can and I'm going to mix two gallons of the SLX stuff with three gallons of distilled water, then keep it in the trunk so I'll always have a supply handy. I'm estimating I'll use about 2 - 2.5 quarts of the mix per tank of gas, so that works out to about $2.60 worth of mix per tank and the jerry can should last about two months. Not bad. I'd use methanol but the closest place is 20 miles away and I prefer the convenience of Home Depot or the mom and pop hardware store down the street. |
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11-15-2006, 01:32 AM | #12 |
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i found a flaw in ethanol...its corrodes the injectors and the pump! if you go to enginerunup.com it will say the same thing and explain it in detail. anybody want to trade an almost brand new TD04 for a water injection kit? i may even thrown in the stock TMIC!
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11-15-2006, 01:34 AM | #13 |
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ethyl is ethyl methyl ketone. its probably slightly different
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11-15-2006, 02:07 AM | #14 | |
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11-15-2006, 08:23 AM | #15 |
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Meth-Ethyl-Isobutyl KETONE is different stuff and as far as I know, should not be used. There's a thread floating around about it***8230;
Subarubaque: This thread is about Ethanol vs. Methanol for injection system use, combined with water. Please reference the FAQ and SEARCH button for all other unrelated questions. (IOW: quit clogging up my thread with your noob questions please). As mentioned in the original post, I'm using the SMC kit with the latest pump design. According to Steve it can support all the popular alcohol types; Ethanol - Methanol - Isopropyl. |
11-15-2006, 08:55 AM | #16 |
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I talked w/Steve@SMC back in March & he recomended meth with his system. I have been using SMC with 50/50 h2o & VP meth ever since with perfect results. I assume alky would be just as good(or better)but I am going with the manufacturers advice.
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