Originally Posted by motordavid

How'bout going out and looking at
your tire sidewalls...if you do have
RFs, somewhere on the sidewall it
will say one of the following:

-RFT
-DSST
-EMT
-ZP

which are simply acronyms for the various mfg'ers run flat tire series.

Then, you'll know and, you can tell the board.
GL,mD