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Re: [oletrucks] TF original posi trac

To: varanus@phoenix.net, oletrucks@autox.team.net
Subject: Re: [oletrucks] TF original posi trac
From: Passnb4U@aol.com
Date: Thu, 3 Feb 2000 17:07:11 EST
In a message dated 2/3/00 1:03:06 PM Pacific Standard Time, 
varanus@phoenix.net writes:

> >>>I do.  It's not installed yet but it's a Dana PowrLok made for 1/2T 
>  drop out corporates 55-64. I am putting it in my 58 chevy napco 
>  suburban.  Apparently, they are pretty rare and very expensive - I 
>  don't even want to tell you what I paid for mine (maybe I'll whisper it -
>  <smaller><smaller><smaller>$623)        <bigger><bigger><bigger>But, I 
have 
> also heard that they are premium quality units and 
>  that's why I forked out the cash.  <smaller><smaller><smaller>
>  
>  
>  <bigger><bigger><bigger>The 3/4T lockers are much more available as these 
> same rear ends were used from 
>  
>  46-72. But the 1/2T rears for Chevs were only used 55-64.  There is a 
>  way to get posi/locker for your 1/2T chev by using a dana rear end 
>  from a 55-? gmc truck.  I have the info but it involves cutting shafts to 
>  fit the chev corp 1/2T rear.
>  
>  
>  On the 6-8 lug drums, I don't think it's possible to swap 1/2T hubs for 
>  3/4T.  The 3/4T diffs and axles are totally different from the 1/2Ts. I 
>  would think that the parts you desire are fairly easy to find. But, I am 
>  not very familiar with 3/4Ts (yet!).
>  
>  
>  So, I am not sure if your question concerns lockers or brake drums?  
>  One doesn't need the other to function.
>  
>  Eric
>  
>  <color><param>7F00,0000,0000</param>> Anyone have a 1/2 ton TF Chevy/ GMC 
> with original posi  trac installed or 
>  
>  > have some experience with them?  I started to put the brakes on a 59 1/2 
> ton 
>  
>  > fleet and found the brake drums to be different from the front -- 
although 
> 
>  
>  > the front and rear are both 6 lug the rear drum is mushroomed out which 
>  
>  > allows the drum to go completely on.  I've heard that Chevy used the GMC 
3/
> 4 
>  
>  > ton posi axle so I tried to get a 3/4 ton drum with 6 lugs but they are 
> all 8 
>  
>  > lug.
>  
>  > If anyone know the whereabouts of a 6 lug drum for this setup I'd be 
>  
>  > interested.
>  
>  > 
>  
>  > Regards - John Sutherland
>  
>  > 59 Fleets


  Is anyone looking for a '59 Posi?  I just pulled one from my '59 in favor 
of a later model Dana 44.  The posi needs new plates (assume they're plates) 
rest is fine.

Mike
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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