If your post is related to my original "dual wheel spacing" post, I
also don't/won't buy my tires from Costco (nor Walmart, K-Mart, Fred
Meyers, or any other "general store").

The tires in question are top of the line Michelin all steel
LT235/85R16, and are Fleetwood and Michelins specified replacement
tire size for the original bias ply tires supplied when new.


--- In [EMAIL PROTECTED], "Merle & Mary Campbell Jr."
<[EMAIL PROTECTED]> wrote:
>
> We have LT235.85x16 tires as specified on our telstar. 
>
> The tire manufacture calls for tire spacing of 10.5 inches center to
> center of the tire.  Eyeballing from the rear looks like about 1.5 to
> 2 inches between tire sidewalls at 65 lbs. on level ground.
>
> A LT245.75x16 would call for 11.3 inches center to center of the tire
> tread.  this is a slightly less diameter but also slightly wider tire.
>
> 3/8ths of an inch is dangerous in my opinion.  The tires rubbing
> together cause heat build up, scrubbing of the side wall against each
> other and raise the tempeture of the tire also raise the psi.
>
> Any good tire shop should be able to give you the correct spacing
> requirment for you tire configuration.
>
> We do not buy motorhome tires at Costco.  They told me they were
> simply a grocery store that happens to sell tires and did not pretend
> to be tire experts for motorhomes.
>
> I was a little taken back by the honesty of the employee, but I
> believe he is correct.
>
> A few business friends only buy tires for their trucks from Les
> Schwaub here in the Portland area.  Les Schwaub employees gave me the
> information on the center to center details when we were considering
> another tire size.  They recomended staying with the called for tire
> but said with the rims and configuration we have we could go to the
> slightly smaller diameter but slightly wider 245.75x16 over the
> 235.65x16 and gain a little weight bearing load capacity.
>
> Merle





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