Which octane gas for 04 Corolla?

"Elmo P. Shagnasty" <elmop.DeleteThis@nastydesigns.com> wrote in message
news:elmop-ED932D.07325120022008@nntp4.usenetserver.com...
> In article <k4edncGaObxFXybanZ2dnUVZ_v2pnZ2d.DeleteThis@comcast.com>,
> "Ray O" <rokigawaATtristarassociatesDOTcom> wrote:
>
>> I recommend that you try 3 or 4 tanks of premium, then
>> 3 or 4 tanks of mid-grade, and then 3 or 4 tanks of regular. Monitor
>> your
>> fuel economy and see if you can measure the difference.
>
> Don't measure fuel economy; use a good gas, and measure your fuel cost
> per mile.
>
> If you'd like, then use grocery store gas and measure your fuel cost per
> mile.
>
> I think you'd be surprised. "Yeah, but the grocery store gas is
> cheaper!"--but only the purchase price, not the per-mile price.
>

Good point, it's fuel cost per mile that is relevant.
--

Ray O
(correct punctuation to reply)

On Wed, 20 Feb 2008 13:46:49 +0000, Jeff wrote:

> Elmo P. Shagnasty wrote:
>> In article <k4edncGaObxFXybanZ2dnUVZ_v2pnZ2d DeleteThis @comcast.com>,
>> "Ray O" <rokigawaATtristarassociatesDOTcom> wrote:
>>
>>> I recommend that you try 3 or 4 tanks of premium, then 3 or 4 tanks of
>>> mid-grade, and then 3 or 4 tanks of regular. Monitor your fuel economy
>>> and see if you can measure the difference.
>>
>> Don't measure fuel economy; use a good gas, and measure your fuel cost
>> per mile.
>>
>> If you'd like, then use grocery store gas and measure your fuel cost per
>> mile.
>>
>> I think you'd be surprised. "Yeah, but the grocery store gas is
>> cheaper!"--but only the purchase price, not the per-mile price.
>
> Do you have any real evidence that the name-brand gas gets better mileage?


Yeah...