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 Sep 2 2006, 02:43 PM
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#21
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 Post Master  Group: Members Posts: 908 Joined: 7-October 03 From: Chillicothe, IL Member No.: 182  |
QUOTE (badbu68 @ Sep 2 2006, 08:19 AM) QUOTE (gsxracer80 @ Sep 2 2006, 01:07 AM) if we can simply control detonation and preignition while running gasoline we can do more with gasoline than ethanol Yeah, that's if you're buying $4/gallon 100 racing gas. E85 is cheap octane. I don't know how many times I have to say it, OCTANE CONTROLS DETONATION. The higher the octane, the less detonation. Yes, it burns w/ less BTUs per unit, that is why you fatten up the fuel curve to run closer to 10:1 afr w/ e85. As a side note to that. The stock 1g maps call for around 9.5:1 at WOT. So on E85 you may want even more. Also, when I looked a few months ago at the 66 station in bartonville E85 was 1.85/gallon. Even with 30% lower economy that seems pretty good. Espessially if I can tweak the timing and get that down closer to 20%. -------------------- GVR4 866/1000 = the perpetually broken car
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Sep 2 2006, 04:26 PM
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#22
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Person of Wisdom Group: Members Posts: 177 Joined: 14-January 03 From: Bloomington Member No.: 66 |
I've heard a lot of people even running 7 gallons 93 w/ 3 gallons of e85 to give close to 97 octane w/ no mods.
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Sep 3 2006, 04:20 PM
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#23
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 Eats and sleeps DSM jargin. Group: Members Posts: 1,985 Joined: 30-June 03 From: Peoria, IL Member No.: 150 |
QUOTE Also, when I looked a few months ago at the 66 station in bartonville E85 was 1.85/gallon. Even with 30% lower economy that seems pretty good. Espessially if I can tweak the timing and get that down closer to 20%. don't know about 1.85/gal... here in aurora, E85 is 2.99/gal with regular 87 octane at 3.06.... BP 93 is 3.39/gal -------------------- You CAN sleep in your car, but your CAN NOT race your house!!!
------------------------------------------------------- Double Decker spoilers are uber ricerlicious!!!!  |
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Sep 3 2006, 09:44 PM
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#24
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Person of Wisdom Group: Members Posts: 177 Joined: 14-January 03 From: Bloomington Member No.: 66 |
QUOTE (ncgalant @ Sep 2 2006, 03:43 PM) The stock 1g maps call for around 9.5:1 at WOT. So on E85 you may want even more. I was going to say, if you were going to run e85, w/ the stock maps, maybe run a 20% larger injector w/ stock maps to fatten up the curve. |
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Sep 5 2006, 07:19 AM
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#25
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 Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
QUOTE (badbu68 @ Sep 2 2006, 08:19 AM) QUOTE (gsxracer80 @ Sep 2 2006, 01:07 AM) if we can simply control detonation and preignition while running gasoline we can do more with gasoline than ethanol Yeah, that's if you're buying $4/gallon 100 racing gas. E85 is cheap octane. I don't know how many times I have to say it, OCTANE CONTROLS DETONATION. The higher the octane, the less detonation. Yes, it burns w/ less BTUs per unit, that is why you fatten up the fuel curve to run closer to 10:1 afr w/ e85. Believe it or not, it is possible to make a point without coming off like an asshole. Try it sometime. |
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Sep 5 2006, 10:17 AM
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#26
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Person of Wisdom Group: Members Posts: 177 Joined: 14-January 03 From: Bloomington Member No.: 66 |
QUOTE (natedogg @ Sep 5 2006, 08:19 AM) Believe it or not, it is possible to make a point without coming off like an asshole. Try it sometime. Sorry, I didn't think I was being disrespectful, wasn't name calling or anything, just reiterating facts. I tried to explain something without having a bunch of misinformation being thrown around. I didn't have to post it at all, but I thought dsmers would appreciate it since this group is more budget oriented and that fact that turbo cars need to supress detonation. If that's coming off like an asshole, then I guess I am. |
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Sep 5 2006, 11:28 AM
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#27
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Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
QUOTE (badbu68 @ Sep 2 2006, 08:15 AM) Der, more compression. I don't know how many times I have to say it, OCTANE CONTROLS DETONATION. These are the statements I have a problem with. Its pretty easy to take these statements the wrong way. You can correct someone without saying 'Der!' or using caps lock. Otherwise we appreciate the post. |
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Sep 7 2006, 06:21 AM
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#28
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DSMCentral Godfather Group: Admin Posts: 3,823 Joined: 10-January 01 From: Washburn Member No.: 26 |
-------------------- In Loving memory of David T Crebo
Greatness comes from the most unexpected places!  |
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