i believe that it is either the width of the tire or the rim. For example the rear tires that can on my 67 f250 when i got it were 16.5 x 9.75. That would be i believe and correct me somebody if im wrong 16.5 inside tire diameter and 9.75 inches out side tire bead to out side bead
Hope this hopes
I don't really care about brands Chevy Ford Dodge ...as long as it doesn't sound like two old dudes farting in a coffee can. http://s169.photobucket.com/albums/u223/imabaka70/ Projects listed on the left side
WOOOT!! i passed my mechanics classes. Now working as a mechanic and waiting to go for my ASE certifications.