You won't need a tube, because the original steel wheels are tubless rims.
The wire wheels aren't tubeless. Size is really a personal choice. I run
205/60 15's (R1's, now G-force TA, for Autocross and HR4's for street)
and like them. But they look pretty bad unless you lower the
suspension to fill the void. I've never heard of a TR6 rim cracking.
They aren't that weak, however I have heard of TR4 rims cracking the
center section from outer, but only in competition vehicles. Hope that
helps.
aaron
On Fri, 5 Feb 1999 MarCam123@aol.com wrote:
>
> Hello everyone,
>
> I am in need of guidance. I have a '71 TR6 that is in bad need of tires. It
> has the original steel rims. I would like to replace these with panasports,
> however, my limited funds prohibit that purchase at this time. I cannot wait
> to save for the rims before I buy the tires so I have decided to purchase a
> set to fit the steel rims. A VTR web page says that 215/70-15's will work
> just fine on these rims. Is that true? Are there better choices? I would
> like to go as wide as is acceptable by the car and the rims. I don't mean to
> offend the purists (this car will never be in a concours area) but I don't
> plan to spend the cash for redlines. I was looking at the Michelin XGT4
> model. Any comments or recommendations? Also, I have heard and read stories
> about the original steel wheels cracking. Anyone have any suggestions or
> comments about this? Finally, if I do go with a modern tubeless tire will
> the tire need a tube on the old triumph rim or does the tube requirement
> depend completely on the tire and not the rim? I appreciate any help I can
> get from this most knowledgeable group.
>
> Thanks,
>
> Marty L. Campbell
> '71 TR6
>
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