What do other group members think about this tire spacing with rear
"duallie's"?
When the older rigs bias ply rubber is upgraded to radials, the
clearance between the tires decreases due to the radial tires more
flexible sidewalls. My '83 27' Southwind with P285R16x85 replacement
tires has only about 3/8" spacing between the sidewalls (Load Range "E").
I have found a lot of opinion difference between tire "experts". Some
say it's O.K., and others say it would be nice to have more clearance,
but; - adding a spacer would impose intolerable stresses on the axle
assembly and lug nuts,etc. or, going to a narrower tire size would
cripple the the load carrying capacity.
I would like to see more spacing, but the "experts" seem to have
divided theories on what's acceptable. Who knows what to believe?
I would like to hear others opinions on this.
Thanks, Hale.
--- In [EMAIL PROTECTED], "denisond3d3" <[EMAIL PROTECTED]> wrote:
>
> --- In [EMAIL PROTECTED], "Mick" <[EMAIL PROTECTED]> wrote:
> >
> > I'm looking at purchasing new tires for my RV, the current ones are
> > shot, they are 8X16.5
> > i was told i could go up to a 9.75X16.5 tire
> > so i priced out some 9.50X16.5 radials not to bad at costco
> > anway my questions is
> > is this true can i do it, has anyone had experience with this?
> > thanks for your help
> > Mick
>
> Can I assume the load rating of the tires you are considering are
> least as many pounds as the ones on the RV? That is, if your current
> tires are Light Truck tires, with a load range of D (8 ply) or even E
> (10 ply), then the new tires you get need to be that same load rating.
> This loading info is required to be printed on the sidewall of tires
> sold in the U.S.
> Also, if you have dual tires on the rear axle, make sure the new
> tires wont have their sidewalls closer together than about 1 inch.
> That would be at the point where the radials bulge out at the bottom.
> If they are close enough to touch, they will overheat and blowout.
> A tire dealer should have the technical info to make sure the new
> tires had at least the same capacity as the old, and would fit
> compatibly on your rims, and your duallies. I dont know if Costco
> would have that data. And a reputable tire dealer should refuse to
> install tires that had a load rating less than what came with the
> vehicle.
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