[BFix] Thinking outload gas mileage and EB....

[Dan Davis]

Come on,
If you really want good mileage, spend a couple grand on a used Honda
instead of Bronco upgrades.  You are pushing a 5000 lbs brick through the
air.  It doesn't matter what you do to it, it's not going to get good
mileage.  End of story.  You might get better mileage if you put it on a
trailer and towed it around behind a diesel truck.


On Wed, May 7, 2008 at 9:42 PM, Erik Christensen <cat44 at telus.net> wrote:

>  gearing has absolutely nothing to do with mileage in a Bronco.  I've
> tested extensively, from 3.50 to 4.88, and the only thing that matters is
> your cruise speed. 50mph might get 18mpg. I never beat 17, but some claim
> to, although set ups vary. Mine was generally with 35" mudders, 5.5"
> total lift, and SEFI.various transmissions.
>
> 90-100mph, 10-12mpg.
> 70-80 mph 13-14mpg.
> 55-65mpg 15-16mpg average
> 50-55mph I got 17mpg the one trip (full tank- hwy) I tried it.
>
> As far as I'm concerned, I'm going to run out of time before we run out of
> oil, so I drive fast :)
>
> YMMV  :)
>
> ----- Original Message -----
> *From:* Jim Lemanek <hucklburrybronco at sbcglobal.net>
> *To:* mail at broncofix.com
> *Sent:* Wednesday, May 07, 2008 8:21 PM
> *Subject:* [BFix] Thinking outload gas mileage and EB....
>
> Reading all that we do, it looks like someone with a 5.0 and an OD tranny
> like a ZF gets maybe 18 mpg.  What gears is that with?
>
> So if I were to keep the 3.50 gears, install a 5.0 and a ZF, any guess
> what I could get?
>
> According to gear calcs, an OD at .75 and 34" tires, at 70 mph I get 18XX
> rpm at 70 with 3.5 gears and 21XX rpm with 4.11.
>
> What do you think that would do to mpg? Stock 92 mustang 5.0.
>
> Just wondering thoughts.  I was gonna ask best mpg setup as an excercise
> but quickly realized I would get a discussion on 4bt probably.  Thats a bit
> outside my motivation based on my current resources.
>
> --Jim
>
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-- 
Dan Davis
69 Bronco 351W SEFI
My Pictures:
http://community.webshots.com/user/utahbronco
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