On Fri, 26 May 1995, W. Ray Gibbons wrote:
> On Fri, 26 May 1995, The Warped Goat wrote:
>
> > I was going to rotate my wheels on my MGB yesterday and discovered that the
> > rear tires are 155x14 while the fronts are 165x14. Is this normal? Aren't
> > one's tires supposed to be the same size? Shall I rotate them and put the
>big
> > tires on the back and the small ones on the front? They are all radials.
> >
> > Benjy Edwards.
> >
>
> Actually, you have the right tires, but they have gotten mixed up. As you
> have been reading here on the MGs list, B's tend to sag on the driver's
> side. The company engineers solved this by installing 165x14 tires on the
> driver's side, and 155x14 tires on the passenger side. Apparently,
> someone cris-crossed yours. All you have to do is ensure that the larger
> tires are on the driver's side, and you are set.
>
stuff deleted
> Ray Gibbons Dept. of Molecular Physiology & Biophysics
> Univ. of Vermont College of Medicine, Burlington, VT
> gibbons@northpole.med.uvm.edu (802) 656-8910
>
Ray and Benjy,
I don't think that the spider gears in the differential will last
very long if you mix up the tire size on the rear end. Also I think that it
would be very difficult to align the front end with different size tires up
front.
Mixing tire sizes on the same axle (front or rear) is never a
good idea, and should only be done if you have no other choice, and then
only for as short a time as possable.
I have seen difs. that were converted into scrap by driving to
long and to fast on those neat little space saver spare tires.
LEX
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