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Car and Auto Forums > Auto Tech > Re: Surprising ...
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Re: Surprising increase in truck MPG

by Kevin <kevyNOSPAM@[EMAIL PROTECTED] > Apr 21, 2008 at 02:36 AM

jim <"sjedgingN0sp"@[EMAIL PROTECTED]
> wrote in news:1208618428_262@[EMAIL PROTECTED]
> 
> 
> Nate Nagel wrote:
> 
>> 
>> I find that hard to believe, but I suppose it might be possible with
>> closed-loop engine controls, a high-compression engine, and a knock
>> sensor/spark retard *if* you were previously running on low-octane
>> Mexican fuel.
> 
> 
> Wake up! What you came to know as "low-octane cheap mexican fuel" 40
> years ago was better fuel than what most cars in America have in their
> tanks today. And yes that poor grade of fuel does  have a lot to do
> with why ethanol improves mileage - that is correct. 
> 
> 
> 
>>  Not all vehicles have closed loop, however (basically any
>> engine without an oxygen sensor has no means of feedback mixture
>> control) and I just don't see any mechanism by which a less energy
>> dense could actually produce a lower BSFC at the same power output.
> 
> The cars tested were modern fleet cars. Double blind studies so that
> they weren't influenced by driver's prejudices.
> 
> 
> 
> 
>> 
>> > It is also well known
>> > that the addition of alcohol to gasoline results in higher octane
>> > and in more complete combustion of the fuel than gasoline alone.
>> > Which explains why energy content calculations mean nothing.
>> 
>> Higher octane doesn't mean squat unless you also mill the heads or
>> otherwise increase the compression ratio.
> 
> Or unless the fuel is really low octane without it. Most gasohol is
> only 87 octane. the fuel would be like 84 octane without it. 


  here in the midwest most ethanol gas is 89 octane. 87 octane ethanol 
is bastardized poor gas brought up to 87 octane with the ethanol octane 
increase. I have found huge differences between these two blends. the 89 
has always worked great in most stuff. the 87 can be terrible stuff and 
result in really poor milage in anything with any real compression.   KB


> 
> 
>> 
>> >       However, The OP re****ts he was getting 10 mpg and it has
>> >       recently 
>> > increased to about 12 mpg - it is doubtful ethanol has much to do
>> > with his poor gas mileage. But if it does have anything to do with
>> > it - it is more likely the increase in mileage was due to gasohol
>> > not the other way around.
>> 
>> I'm curious how you come to this conclusion...\
> 
> Because studies have shown that adding 10% ethanol does improve gas
> mileage in most modern vehicles - therefor for any one particular
> vehicle it is more likely it will increase mileage than decrease it.
> However, it is unlikely you will be able to find any reliable testing
> has been done on a fleet of 50 yr. old Studebakers.
> 
> -jim
> 
> 
> 
> 
>> 
>> nate
>> 
>> --
>> replace "roosters" with "cox" to reply.
>> http://members.cox.net/njnagel
> 
> 
> ----== Posted via Pronews.Com - Unlimited-Unrestricted-Secure Usenet
> News==---- http://www.pronews.com
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 149 Posts in Topic:
Surprising increase in truck MPG
Ignoramus15242 <ignora  2008-04-18 10:21:25 
Re: Surprising increase in truck MPG
"Ed Huntress" &  2008-04-18 11:36:18 
Re: Surprising increase in truck MPG
Ignoramus15242 <ignora  2008-04-18 10:42:26 
Re: Surprising increase in truck MPG
"John R. Carroll&quo  2008-04-18 15:48:22 
Re: Surprising increase in truck MPG
Thomas Tornblom <thoma  2008-04-18 16:43:57 
Re: Surprising increase in truck MPG
"TE Chea" <4  2008-04-22 10:42:31 
Re: Surprising increase in truck MPG
Bruce in Bangkok <b*pa  2008-04-22 17:47:30 
Re: Surprising increase in truck MPG
"C. E. White" &  2008-04-24 10:58:04 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-18 12:08:10 
Re: Surprising increase in truck MPG
Ignoramus15242 <ignora  2008-04-18 11:15:21 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-18 12:42:56 
Re: Surprising increase in truck MPG
cavelamb himself <cave  2008-04-18 11:25:38 
Re: Surprising increase in truck MPG
tetraethylleadREMOVETHIS@  2008-04-18 11:40:47 
Re: Surprising increase in truck MPG
cavelamb himself <cave  2008-04-18 13:53:32 
Re: Surprising increase in truck MPG
tetraethylleadREMOVETHIS@  2008-04-18 13:58:05 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-18 11:48:01 
Re: Surprising increase in truck MPG
"T.Alan Kraus"   2008-04-18 09:52:27 
Re: Surprising increase in truck MPG
"Leo Lichtman"   2008-04-18 18:05:50 
Re: Surprising increase in truck MPG
"T.Alan Kraus"   2008-04-18 22:28:02 
Re: Surprising increase in truck MPG
"Leo Lichtman"   2008-04-19 08:02:37 
Re: Surprising increase in truck MPG
N8N <njnagel@[EMAIL PR  2008-04-18 12:01:34 
Re: Surprising increase in truck MPG
"newshound" <  2008-04-18 20:55:17 
Re: Surprising increase in truck MPG
"Steve W." <  2008-04-18 15:02:55 
Re: Surprising increase in truck MPG
Ignoramus15242 <ignora  2008-04-18 15:03:42 
Re: Surprising increase in truck MPG
spamTHISbrp@[EMAIL PROTEC  2008-04-18 12:06:55 
Re: Surprising increase in truck MPG
cuhulin@[EMAIL PROTECTED]  2008-04-18 14:31:09 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-18 16:18:45 
Re: Surprising increase in truck MPG
"HLS" <nospa  2008-04-18 19:06:52 
Re: Surprising increase in truck MPG
"Steve W." <  2008-04-18 22:27:20 
Re: Surprising increase in truck MPG
"HLS" <nospa  2008-04-19 07:11:02 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-18 21:30:31 
Re: Surprising increase in truck MPG
Ignoramus15242 <ignora  2008-04-18 15:04:29 
Re: Surprising increase in truck MPG
Todd Rich <torin@[EMAI  2008-04-18 21:12:15 
Re: Surprising increase in truck MPG
Nate Nagel <njnagel@[E  2008-04-18 21:46:13 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-19 08:03:45 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 08:59:09 
Re: Surprising increase in truck MPG
"SteveB" <ol  2008-04-19 08:02:00 
Re: Surprising increase in truck MPG
Eregon <Eregon@[EMAIL   2008-04-19 18:45:40 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-19 22:33:20 
Re: Surprising increase in truck MPG
cavelamb himself <cave  2008-04-19 22:09:41 
Re: Surprising increase in truck MPG
Ignoramus11166 <ignora  2008-04-19 09:40:25 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 10:26:06 
Re: Surprising increase in truck MPG
"William Noble"  2008-04-19 09:30:34 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 12:32:22 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-19 22:45:26 
Re: Surprising increase in truck MPG
Ted Frater <ted.frater  2008-04-20 21:06:16 
Re: Surprising increase in truck MPG
cuhulin@[EMAIL PROTECTED]  2008-04-20 16:28:41 
Re: Surprising increase in truck MPG
"Ed Huntress" &  2008-04-20 18:15:16 
Re: Surprising increase in truck MPG
cavelamb himself <cave  2008-04-20 17:52:13 
Re: Surprising increase in truck MPG
"Ed Huntress" &  2008-04-20 19:00:06 
Re: Surprising increase in truck MPG
cavelamb himself <cave  2008-04-20 18:51:53 
Re: Surprising increase in truck MPG
Jon Elson <elson@[EMAI  2008-04-19 14:28:12 
Re: Surprising increase in truck MPG
spambait@[EMAIL PROTECTED  2008-04-19 16:32:30 
Re: Surprising increase in truck MPG
Ignoramus11166 <ignora  2008-04-19 11:51:18 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 12:34:25 
Re: Surprising increase in truck MPG
clifto <clifto@[EMAIL   2008-04-19 13:03:13 
Re: Surprising increase in truck MPG
Gunner Asch <gunner@[E  2008-04-19 19:05:22 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-19 09:59:20 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 20:39:11 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-19 10:29:08 
Re: Surprising increase in truck MPG
cuhulin@[EMAIL PROTECTED]  2008-04-19 09:41:22 
Re: Surprising increase in truck MPG
Ignoramus11166 <ignora  2008-04-19 09:51:52 
Re: Surprising increase in truck MPG
Spehro Pefhany <speffS  2008-04-19 11:17:49 
Re: Surprising increase in truck MPG
Gunner Asch <gunner@[E  2008-04-19 15:27:25 
Re: Surprising increase in truck MPG
pyotr filipivich <pham  2008-04-19 16:31:34 
Re: Surprising increase in truck MPG
"RAM³" <s319  2008-04-20 06:03:07 
Re: Surprising increase in truck MPG
pyotr filipivich <pham  2008-04-20 04:15:13 
Re: Surprising increase in truck MPG
Gunner Asch <gunner@[E  2008-04-19 19:10:46 
Re: Surprising increase in truck MPG
"Paul K. Dickman&quo  2008-04-19 21:13:06 
Re: Surprising increase in truck MPG
Gunner Asch <gunner@[E  2008-04-20 00:27:44 
Re: Surprising increase in truck MPG
Nate Nagel <njnagel@[E  2008-04-19 11:11:54 
Re: Surprising increase in truck MPG
"Michael A. Terrell&  2008-04-19 11:22:19 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-19 10:28:39 
Re: Surprising increase in truck MPG
Kevin <kevyNOSPAM@[EMA  2008-04-21 02:36:29 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-22 07:35:23 
Re: Surprising increase in truck MPG
"Steve W." <  2008-04-19 13:32:01 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-19 13:58:59 
Re: Surprising increase in truck MPG
Bruce in Bangkok <b*pa  2008-04-20 09:30:16 
Re: Surprising increase in truck MPG
"Martin H. Eastburn&  2008-04-19 21:52:22 
Re: Surprising increase in truck MPG
clifto <clifto@[EMAIL   2008-04-19 13:02:24 
Re: Surprising increase in truck MPG
tetraethylleadREMOVETHIS@  2008-04-19 13:28:13 
Re: Surprising increase in truck MPG
clifto <clifto@[EMAIL   2008-04-19 16:20:19 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-19 22:28:44 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-20 09:37:15 
Re: Surprising increase in truck MPG
cuhulin@[EMAIL PROTECTED]  2008-04-20 10:12:35 
Re: Surprising increase in truck MPG
"Steve W." <  2008-04-20 20:25:09 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-20 20:29:39 
Re: Surprising increase in truck MPG
"Steve W." <  2008-04-20 22:19:44 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-20 22:20:28 
Re: Surprising increase in truck MPG
"Steve W." <  2008-04-21 00:47:06 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-21 07:58:01 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-21 12:17:38 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-21 14:46:05 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-22 10:25:11 
Re: Surprising increase in truck MPG
jim <".sjedgingN0  2008-04-22 17:04:07 
Re: Surprising increase in truck MPG
"Mike" <mik@  2008-04-23 00:38:23 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-23 11:02:05 
Re: Surprising increase in truck MPG
jim <".sjedgingN0  2008-04-23 10:34:22 
Re: Surprising increase in truck MPG
cuhulin@[EMAIL PROTECTED]  2008-04-23 11:12:51 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-23 13:52:24 
Re: Surprising increase in truck MPG
"Mike" <mik@  2008-04-24 03:49:08 
Re: Surprising increase in truck MPG
jim <".sjedgingN0  2008-04-24 10:55:31 
Re: Surprising increase in truck MPG
Steve <no@[EMAIL PROTE  2008-04-24 12:45:59 
Re: Surprising increase in truck MPG
jim <"sjedgingN0s  2008-04-24 15:59:12 
Re: Surprising increase in truck MPG
"Mike" <mik@  2008-04-24 22:17:41 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-18 21:56:31 
Re: Surprising increase in truck MPG
Jon Elson <elson@[EMAI  2008-04-19 14:20:33 
Re: Surprising increase in truck MPG
Nate Nagel <njnagel@[E  2008-04-19 16:38:18 
Re: Surprising increase in truck MPG
Todd Rich <torin@[EMAI  2008-04-19 22:35:09 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-19 22:51:37 
Re: Surprising increase in truck MPG
"rtandems@[EMAIL PRO  2008-04-21 13:25:13 
Re: Surprising increase in truck MPG
"HLS" <nospa  2008-04-18 19:47:23 
Re: Surprising increase in truck MPG
Ignoramus15242 <ignora  2008-04-18 22:08:56 
Re: Surprising increase in truck MPG
spaco <spaco@[EMAIL PR  2008-04-18 20:00:14 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-18 21:12:18 
Re: Surprising increase in truck MPG
"Jim Insolo" &l  2008-04-19 09:06:42 
Re: Surprising increase in truck MPG
Don Stauffer in Minnesota  2008-04-19 07:31:30 
Re: Surprising increase in truck MPG
"SteveB" <ol  2008-04-19 08:37:44 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 12:27:47 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-19 14:11:39 
Re: Surprising increase in truck MPG
spambait@[EMAIL PROTECTED  2008-04-19 16:21:10 
Re: Surprising increase in truck MPG
Ignoramus11166 <ignora  2008-04-19 11:50:48 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 12:38:55 
Re: Surprising increase in truck MPG
"Leo Lichtman"   2008-04-19 22:56:31 
Re: Surprising increase in truck MPG
"Pete C." <a  2008-04-19 18:51:02 
Re: Surprising increase in truck MPG
"John R. Carroll&quo  2008-04-19 16:54:05 
Re: Surprising increase in truck MPG
cuhulin@[EMAIL PROTECTED]  2008-04-19 12:44:29 
Re: Surprising increase in truck MPG
spambait@[EMAIL PROTECTED  2008-04-19 18:58:46 
Re: Surprising increase in truck MPG
"sdlomi2" <s  2008-04-19 14:17:48 
Re: Surprising increase in truck MPG
"Leo Lichtman"   2008-04-19 23:02:07 
Re: Surprising increase in truck MPG
"Steve R." <  2008-04-20 02:29:50 
Re: Surprising increase in truck MPG
cavelamb himself <cave  2008-04-19 22:14:07 
Re: Surprising increase in truck MPG
"Leo Lichtman"   2008-04-19 22:49:43 
Re: Surprising increase in truck MPG
spambait@[EMAIL PROTECTED  2008-04-20 02:09:35 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-19 23:07:36 
Re: Surprising increase in truck MPG
"ff" <ffredd  2008-04-19 18:19:44 
Re: Surprising increase in truck MPG
Jim <thumper93us@[EMAI  2008-04-19 16:08:29 
Re: Surprising increase in truck MPG
"Ed Huntress" &  2008-04-19 17:27:46 
Re: Surprising increase in truck MPG
"RAM³" <s319  2008-04-19 22:08:11 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-19 23:00:09 
Re: Surprising increase in truck MPG
Mike Romain <romainm@[  2008-04-19 18:50:38 
Re: Surprising increase in truck MPG
Jim <thumper93us@[EMAI  2008-04-19 18:02:22 
Re: Surprising increase in truck MPG
Nate Nagel <njnagel@[E  2008-04-19 19:35:53 
Re: Surprising increase in truck MPG
"Ed Huntress" &  2008-04-19 22:16:04 
Re: Surprising increase in truck MPG
"David Courtney"  2008-04-21 09:14:09 
Re: Surprising increase in truck MPG
clare at snyder dot ontar  2008-04-21 13:37:13 
Re: Surprising increase in truck MPG
"rtandems@[EMAIL PRO  2008-04-21 07:44:36 
Re: Surprising increase in truck MPG
Gunner Asch <gunner@[E  2008-04-21 12:03:49 
Re: Surprising increase in truck MPG
"C. E. White" &  2008-04-24 11:18:50 

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tan12V112 Fri Dec 5 3:27:54 CST 2008.