[AT] GM Flex Fuel vehicles

[charlie hill]

I'm here, as you said, hiding under the AC!  It's HOT down this way.  I was 
at Salvo on Hatteras Island Saturday and on Ocracoke Island Sunday.   I'm 
glad I'm not there today.  It was bad enough over the weekend.

Charlie
----- Original Message ----- 
From: "David Bruce" <davidbruce at yadtel.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, August 01, 2006 1:10 PM
Subject: Re: [AT] GM Flex Fuel vehicles


> All this is interesting as if I remember correctly my Dodge Ram is E85 ok 
> without any changes (not read the owner's manual since I've slept so this 
> may or may not be true).  I haven't seen any E85 around here anyway.
> David
> NW NC
> I'll bet Charlie is warm (or hiding under the AC)
>
> charlie hill wrote:
>> Thanks Steve,
>>
>> That pretty much answers what I wanted to know.  The next question is:  I 
>> wonder if GM could make a conversion kit for their vehicles (since they 
>> obviously know the differences between the two versions), do the testing 
>> and get it approved for conversion at a GM dealer or something like that. 
>> Much the same way the aftermarket industry gets performance equipment 
>> approved maybe.
>>
>> Charlie
>> ----- Original Message ----- From: "Steve W." <falcon at telenet.net>
>> To: "Antique tractor email discussion group" 
>> <at at lists.antique-tractor.com>
>> Sent: Monday, July 31, 2006 10:18 PM
>> Subject: Re: [AT] GM Flex Fuel vehicles
>>
>>
>>> Charlie,
>>>  There are three major differences in them. One is the gas cap itself. 
>>> Besides being Yellow it has a different vent valve in it because alcohol 
>>> is hygroscopic so the venting is set up to only vent pressure. The 
>>> second is the fuel line assembly. There is a 700.00 flex fuel sensor in 
>>> the line that tells the computer what the mix in the tank is. The sensor 
>>> is the same for all the flex fuel vehicles made from 2002 and up. The 
>>> line itself is also made of a different material. The last change is in 
>>> the injectors. Since alcohol has less energy than gasoline they 
>>> increased the flow rate for the flex vehicles to accommodate the higher 
>>> rate of fuel flow.
>>>
>>> Now for the REAL problem. It is Illegal to convert any unleaded fueled 
>>> vehicle to a different fuel unless you have the DOT do a test on the 
>>> entire vehicle and can prove that it meets or exceeds the emissions 
>>> standards for that vehicle type. That test is about 10,000.00 to have 
>>> done. There are NO approved kits or methods out there to convert a 
>>> vehicle to E-85 or other fuel. Get caught driving a converted vehicle 
>>> and you get to pay a BIG fine for tampering with the emissions system of 
>>> the vehicle.
>>>
>>> http://www.e85fuel.com/e85101/faqs/conversion.php
>>>
>>>
>>>
>>>
>>> charlie hill wrote:
>>>> I have a question for the resident GM experts.
>>>>
>>>> I have a 2006 GMC sierra pickup.  That same truck and same engine are 
>>>> available in a Flex Fuel (E85) version.   I have no plan on trying to 
>>>> switch mine but I'm curious about the mechanical differences in the two 
>>>> engines. Obviously the computers are set up different but does anyone 
>>>> know what else is different about them?
>>>>
>>>> Seems to me that since GM makes them both ways it should be possible to 
>>>> change the gas setup to flex fuel with off the shelf parts.
>>>> It would probably cost too much and right now it wouldn't make much 
>>>> sense to do it anyway.  I'm just curious about the process.
>>>>
>>>> Charlie
>>>> _______________________________________________
>>>> AT mailing list
>>>> Remembering Our Friend Cecil Monson 11-4-2005
>>>> http://www.antique-tractor.com/mailman/listinfo/at
>>>>
>>>>
>>> _______________________________________________
>>> AT mailing list
>>> Remembering Our Friend Cecil Monson 11-4-2005
>>> http://www.antique-tractor.com/mailman/listinfo/at
>>>
>>>
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>>
>> _______________________________________________
>> AT mailing list
>> Remembering Our Friend Cecil Monson 11-4-2005
>> http://www.antique-tractor.com/mailman/listinfo/at
>>
> _______________________________________________
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> Remembering Our Friend Cecil Monson 11-4-2005
> http://www.antique-tractor.com/mailman/listinfo/at
>
>
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