Re: air - fuel ratio

Steve <no@[EMAIL PROTECTED]
> wrote in
news:JPidnZ5dYNFk8IPVnZ2dnUVZ_qXinZ2d@[EMAIL PROTECTED]
 

> Tegger wrote:

>> 
>> How do the above numbers compare to fuels with other oxygenates, such
>> as MTBE? And what if the fuel contains MMT or TEL, neither of which
>> are oxygenates?
> 
> Not sure about MTBE, but MMT and TEL are added in such tiny
> percentages to do their jobs that they really don't affect the
> stoichiometric ratio in any measurable way. They're fractions of a
> percent by volume, not the 10% of ethanol in E10 fuel.
> 
> 
> 


That's the answer I was looking for.

If volume is the determining factor, I'd guess MTBE would have a similar 
effect on stoichiometric as ethanol, since it's added in concentrations up

to 15%.


-- 
Tegger