I have a 4.7L 3.92 gearing and highway I will get
about 17.5mpg (75-80mph). That's completely stock but
between 16-18 is normally mine.
Dustin Dumbravo
'01 CC 4.7L
--- "William H. Hiatt III" <william@hiatt.net> wrote:
> Well, I have an important decision to make.
>
> Previously, I had 30" tires and 4.10 gearing in the
> rear. Now that I'm
> running Hotchkis, with 27.8" tires (275/50R17) I'll
> be getting at best
> 13.5-14MPG with about 80% highway driving.
> (70/80MPH). I'm to the point of
> not being able to stomach the mileage any more. I
> could slow down, yes, but
> in California if ya do that, you're going to get run
> over!
>
> So, should I go back to the original 3.55's, or run
> 3.92's? I have a 4.7L,
> with QuickD intake, 2x2.25" exhaust, Hotchkis.
> Future mods: PCM by Mike
> Leech, Flometrics TB & intake that goes with the TB.
>
> I appreciate your help!
> William
>
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This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:02:46 EDT