was Re: [BFix] Thinking outload gas mileage and EB.... now
whyditch the lock up
Mike Bowlin
M.Bowlin at mchsi.com
Fri May 9 20:34:45 MST 2008
I would go 700 of course 8^) assuming you wanted to "stay ford" I think I
would go the 4r70w route, beefier internals and you get lower first gear. If
I remember correctly it was computer controlled but baugher (sp)? has a
stand alone system for that.
----- Original Message -----
From: "Joe Lougee" <71broncoman at prodigy.net>
To: "Mike Bowlin" <M.Bowlin at mchsi.com>
Cc: <mail at broncofix.com>
Sent: Friday, May 09, 2008 6:28 PM
Subject: Re: was Re: [BFix] Thinking outload gas mileage and EB.... now
whyditch the lock up
> Mike, the big advantage is that the tranny itself is much stronger without
> the lock-up shaft in there. That feature is provided by a really small
> (like 3/4" diameter) where it extends and locks up. It may be different
> on the 700R4, couldn't tell you.
>
> As to why an AOD, why not? Assuming I prefer to avoid giving any of my
> hard earned cash to AA, what O/D auto would you run? I have a local
> builder who does great work and cuts me pretty awesome deals (the latest
> C-4 for the buggy was $400) and it still includes a 1 year guarantee.
> Joe
>
>
> Mike Bowlin wrote:
>> What is the advantage of loosing the lock up feature on the AOD Joe? The
>> lock up on my 700r4 never bothers me or creates problems. And while we
>> are at why an AOD behind a 408 in the first place seems to me there are
>> way better transmissions to put behind the beef of a stroker.
>> ----- Original Message ----- From: "Joe Lougee" <71broncoman at prodigy.net>
>> Cc: <mail at broncofix.com>
>> Sent: Friday, May 09, 2008 1:30 PM
>> Subject: Re: [BFix] Thinking outload gas mileage and EB....
>>
>>
>>> I have gotten in the 17+ range for extended distances, but not often.
>>>
>>> Rig was:
>>> 1. MAF SEFI Roller 351W with ZF and D20.
>>> 2. 4.10 gears.
>>> 3. 35" MT/Rs.
>>> 4. Full doors and bikini top.
>>>
>>> At around 55-60 MPH it would get 18.5-19. The only time I can drive
>>> that was on the way to CA, following Clint's Dad's trailer. They
>>> couldn't get enough tongue weight on it so had to drive slow to stop the
>>> "waggle".
>>>
>>> At 65-70 it would average around 17.5 on the highway.
>>>
>>> Around town I would get 15.5 on average, but would get .75-1MPG better
>>> with the hard top on.
>>>
>>> I'm currently building another with a MAF SEFI Roller 408 stroker, built
>>> AOD (_without_ the lock-up feature), 4.88 gears and 40" MT/Rs. It'll be
>>> interesting to see what it'll get for mileage!!
>>> Joe
>>>
>>>
>>> Erik Christensen 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 <mailto:hucklburrybronco at sbcglobal.net>
>>>> *To:* mail at broncofix.com <mailto: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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>>
>>
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