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RE: [oletrucks] Old Tire Sizes

To: "Jim Wilkerson" <Jim.Wilkerson@sas.com>, "Gary Perry"
Subject: RE: [oletrucks] Old Tire Sizes
From: wayne osborne <wayne@chevytrucks.org>
Date: Tue, 23 Sep 2003 08:53:08 -0400
Jim,
    Seems to me the rule of thumb should be to use the same diameter tire 
for a spare regarding a posi rear. Might be hard on the clutch pack in a 
limited slip to run any distance with mismatched set. A true posi, where 
there is no slip wouldn't be able to handle it very long as you'd probably 
bust an axle or the differential before long.  I would personally get the 
same diameter for a spare.--wayne


At 02:49 PM 9/22/03 -0400, Jim Wilkerson wrote:
>Thanks Gary!  And Thanks to Bob Chansler also.  According to a tire size 
>calculator I found the closest to the original 6.50 x 16 is a P215R80 - 16 .
>
>What is the 'rule of thumb' for vehicles with positraction and running 
>different size wheel/tire combos on the rear?  For example, is it 
>absolutely necessary that the spare tire is exactly the same diameter as 
>the regular tires?  The same circumference?  Or is it OK to run a 
>completely different size - for short distances?  If yes, what is a short 
>distance?
>
>Thanks in advance!
>
>***********************************************************************
>Jim Wilkerson
>***********************************************************************
>
>
>-----Original Message-----
>From: Gary Perry [mailto:glperry@fwi.com]
>Sent: Monday, September 22, 2003 1:38 PM
>To: Jim Wilkerson; oletrucks@autox.team.net
>Subject: Re: [oletrucks] Old Tire Sizes
>
>
>I don't know for sure, but think you need 80 or 85 series tire to be that 
>tall. Also think only a 195 or such narrow tire to stay orig looking. 
>Myself would get wider and smaller diameter, probly for better ride. 
>Speedo may be off, but So What, I say!
>
>G. L. Grumpy's
>Old Iron Ranch
>Huntington, IN 46750
>AD trucks and MM tractors
>----- Original Message -----
>From: "Jim Wilkerson" <Jim.Wilkerson@sas.com>
>To: <oletrucks@autox.team.net>
>Sent: Monday, September 22, 2003 12:19 PM
>Subject: [oletrucks] Old Tire Sizes
>
>
> > Does anyone know what the modern tire size equivalent would be for the
>original 6.50 x 16 tires that came on the '53 Chevy AD trucks?  Assuming a 
>radial, I want a tire with the same diameter and approximately the same 
>width.  i.e. P205R70 -16  or LT20575-16 or ????
> >
> > Thanks.
> >
> > **********************************************************************
> > *
> > Jim Wilkerson
> > ***********************************************************************
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

Wayne Osborne
http://www.chevytrucks.org
http://www.chevytrucks.org/wayne
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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