Hybrid Car – More Fun with Less Gas

better mileage with higher octane? - Page 6

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Posted by harry k on January 3, 2007, 3:24 am

Eeyore wrote:

In any case and slight increase in mpg will be more than offset by the
additional cost.  Just my opinion but I am on the side of 'no
increase'.  I have seen this thing discussed and written about many
times.  The "experts" all say it is just a waste of money.

Harry K

Posted by Eeyore on January 3, 2007, 4:50 am

harry k wrote:

You may not get any increase in mpg but decent cars will see an improvement in

I had one car in fact that allowed to me select the 'ideal' octane as either 95
or 98 ( RON ).


Posted by Buy_Sell on January 3, 2007, 5:22 am

Say, whatever happened to the water injection systems that they used in
the world war II fighter planes?  They could advance the timing, reduce
the ping, get better performance and economy.  So, how come these
brilliant automotive engineers aren't using this technology?

Posted by Eeyore on January 3, 2007, 5:49 am

Buy_Sell wrote:

What water injection systems ?

There were ethanol and methanol injection sytems ( improve the octane rating )
but water ?


Posted by Buy_Sell on January 3, 2007, 6:43 am

Well, let me see what Mr. Wikipedia has to say about the subject...
http://en.wikipedia.org/wiki/Water_injection_ (engines)

Eeyore wrote:

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