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Home » Public Forums » GMCnet » Re: [GMCnet] ~ Final Drive ~
Re: [GMCnet] ~ Final Drive ~ [message #225315] Sat, 12 October 2013 01:08
hnielsen2 is currently offline  hnielsen2   United States
Messages: 1434
Registered: February 2004
Location: Alpine CA
Karma: 0
Senior Member
Rob, Gary
I saw the information
Rear only.
Not a good idea to use the undersized axle
Then I stay off the grass and soft soil.
Thanks guys
Howard
Alpine Ca


All is well with my Lord



> On Oct 11, 2013, at 20:07, "Kosier" <gkosier@roadrunner.com> wrote:
>
> Rob,
>
> It is quite possible to put a Truetrac in a GMC final drive.
> In fact, it has already been done. The problem is that
> there is not room for our axle shafts. Making and using
> undersize axle shafts is feasible on a one-off autocross
> car, but no good on a 12.000# motorhome.
>
> Gary Kosier
> 77 PB w/500 Cad
> Newark, Oh
>
> -----Original Message-----
> From: Rob Mueller
> Sent: Friday, October 11, 2013 8:30 PM
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] ~ Final Drive ~
>
> Howard,
>
> If you plug 1975 Oldsmobile into:
>
> Narrow Results for Detroit Truetrac Differentials
>
> You get this:
>
> Detroit Truetrac Differential
> 1971-89 GM Car
> 1972-89 GM Truck
> 28-Spline Axles
> 8.5'' Diameter Ring Gear
> Fits 2.73 & Up Gear Ratios
> Rear Only
>
> If we could get them made for the Toronado it would be Magic!
>
> When I was checking on getting a locking diff made by a company in Australia
> I was told that the 3.07 case was too small, I suspect
> that's the case with this also.
>
> Regards,
> Rob M.
> USAussie - Downunder
>
>
> -----Original Message-----
> From: Howard Nielsen
>
> Carl
> Has anyone used this in our GMC's
> If so how was the revue?
> Thanks
> Howard
>
>
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