On Sat, 19 Jun 2004 05:56:05 -0500, Ned Buckmaster <Ned@Buckmaster.com>
wrote:
>
> I have a 2000 club cab 2X4, and my friend has a 2003 quad cab 4X4, both
> with
> 4.7L engines and automatics. He swears (and I believe him) that premium
> gasoline gives him at least 2 more mpg than regular. When I try premium
> in
> my 2000, I see no difference at all in gas mileage. We have both tried
> this
> over multiple tanks. His gets ~13 on regular, 15 on premium. I get 15.7
> on
> everything.
>
> It seems to me that His has a knock sensor or something adjusting his
> timing, and providing better mileage (and power) with premium gas. Mine
> doesn't seem to change. Is there a difference in the engine electronics
> between these two years? Can I update mine somehow?
> Ned Buckmaster
>
>
Are you looking to save money or something? Cuz running premium just to
gain 2 mpg isn't gonna save you anything.
-- -Droo
This archive was generated by hypermail 2b29 : Thu Jul 01 2004 - 00:15:17 EDT