I was forced to run my 31x10.5 spare in place of my 32x11.5 in
the right rear. I threw a bead screwing around on this "dry"
lake in Nevada that had about an inch to two inches of water on
it--its the closest to boating I've ever been in my Dak! I was
sliding sideways (like in the car commericials) and hit a high
spot and with my tires aired down, the bead came right off;
probably kept me from rolling actually (boy, that would've
sucked!). It certainly wasn't the smartest thing I've done, but
it was fun. Anyway, getting back to the point, I ran the 31 on
the rear for about 10 miles on the dirt (just fire roads) and
about 40 on the highway to get back home. I don't know what if
any damage I did to the LSD. I've put about 10K on the truck
since then and don't have any weird rear end noise . . . I think
I've also changed the rear diff fluid since then (if that
matters). On the pavement, I aired up the 31 to like 40 psi and
only partially aired up the 32 on the other side to like 30 I
think--I figured that might help make up for the difference in
height. It is only a half inch difference (radius wise),
afterall. When/if I move up to 33's (or bigger!), I'll probably
spring for the extra tire as I think a full inch difference in
radius could certainly be more damaging. It kind of just
depends on how far you expect to be from home (or a tire shop).
Jeez, I write a lot . . .
JY
--- andylevy@yahoo.com wrote:
> It'll depend on your axle setup I think. With the Dak's open
> front diff, you're fine with things mismatched up front. With
> an LSD or a locker, you'd be at more risk I think.
>
> "Mr. Plow" <adam_is_mr_plow@hotmail.com> wrote:
> > John, i gotta disagree with you here...
> > While off-road, i would think it is less likely to get
> damage to your
> > drivetrain in 4x4 mode, because of the amount of slippage in
> the less than
> > ideal traction conditions.
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