Types of differentials/Traction aiding devices

[Raymond C Drouillard]

Look in any four-wheeler type mag for an ad.  Every once in a while,
there is a how-to in one of the mags.

I know that ARB makes air lockers for lots of different axles - Dana 30,
35, 44, 60, and (I think) 70.  I believe the Ford 9" and the GM 8 3/4 are
also included.

Ray



On Thu, 03 Jun 1999 15:06:39 -0700 "Todd....!!" <atc347 at c-com.net>
writes:
>OK, sounds like an all around GREAT alternative to a spool....
>
>Better gas mileage, almost as strong, NUTHIN's stronger than a 
>spool...
>right?
>
>Where does the air go into the rear gear area, and what creates the 
>air
>pressure? Some sorta pump, I assume?
>
>What all rearends is this technology built to accomodate?
>
>May it be applied to an 8 3/4 or Dana 60, or even a Ford 9 incher?
>
>Just wonderin.....
>
>Todd....
>
>------
>
>Pat Ford wrote:
>> 
>> Previously, you (C. Brooks) wrote:
>> > That's a good question. I don't know but to put a little 
>perspective on
>> > this...
>> >
>> > One of the club members has a Toyota truck with a mild 383, TH350 
>tranny,
>> > Dual Marlin crawler transfer case both with 4.7:1 gears, and Dana 
>axles (60
>> > rear, 44 front) with 5.?:1 gearing, and 36" swampers. I've seen 
>him use
>> > (Abuse)  this truck pretty hard. The final drive ratio in first 
>gear low
>> > range is well over 200:1. That's ALOT of torque multiplication, 
>and he's
>> > never had an ARB fail (YET!)
>> 
>> they are strong
>> 
>> >
>> > Having the diff locked won't make any difference in mileage.
>> 
>> it does, no road is straight enough and no 2 tires are exactly the 
>same dia.
>> if I lock the dif the top speed does down and the fuel just pours 
>into the engine
>> 
>> >
>> > Charles Brooks
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: Todd....!! <atc347 at c-com.net>
>> > To: diy_efi at efi332.eng.ohio-state.edu 
><diy_efi at efi332.eng.ohio-state.edu>
>> > Date: Wednesday, June 02, 1999 8:20 PM
>> > Subject: Re: Types of differentials/Traction aiding devices
>> >
>> >
>> > >Can ya do a W.O.T. launch with the button OFF, then turn it on in 
>the
>> > >middle of the launch, under FULL TORQUE?
>> > >
>> > >Just how strong is this unit?
>> > >
>> > >AND, would a car with one of these air posi's get better gas 
>mileage
>> > >with the posi OFF than it would with the air-posi on?
>> > >
>> > >Just wondrinnnnn.........
>> > >
>> > >
>> > >LATER!
>> > >
>> > >Todd....!!
>> > >
>> > >
>> > >Frederic Breitwieser wrote:
>> > >>
>> > >> > The type of posi is NOT dictated by the type of rear it's in 
>or made
>> > for. There are limited slip, Torsen and locking differentials made 
>for the
>> > Dana 60. If you want to know what type of unit is in the rear 
>you'll have to
>> > actually look at it.
>> > >>
>> > >> And this is not a sarcastic response, either :)
>> > >>
>> > >> I'd highly recommend an ARB airlocker for this rear.  direct 
>bolt in,
>> > >> easy to control with a pushbutton, and totally open when 
>needed.
>> > >>
>> > >> --
>> > >>
>> > >> Frederic Breitwieser
>> > >> Bridgeport CT 06606
>> > >>
>> > >> 1993 Supercharged Lincoln Continental
>> > >> 1989 HWMMV w/turbocharged 500cid Caddy
>> > >> 1975 Dodge D200 Club Cab soon to have 431 stroker + turbos
>> > >> 2000 (I hope) Buick GTP (Mid-Engined Sports Car)
>> > >
>> > >
>> >
>> 
>> --
>> Pat Ford                           email: pford at qnx.com
>> QNX Software Systems, Ltd.           WWW: http://www.qnx.com
>> (613) 591-0931      (voice)         mail: 175 Terrence Matthews
>> (613) 591-3579      (fax)                 Kanata, Ontario, Canada 
>K2M 1W8
>
>

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