hi ken c- you seem to be knowledgeable about 240 tires. 3 years ago i had to dump worn continental tires on my 92 245 which were 185 70 15. they were 10 years old and one exploded while doing 40 on tobacco road. current wisdom says 8 years is the max for safe tire life. heat and sun in fla seems to deteriorate tires faster. this size is what the book calls for but it was no longer available. put on 195 75 15. think this has a slightly larger diameter. no change in driveability. only change i noticed was speedo has a slight inaccuracy . for example it shows 67mph when actually going 63mph. what think you? thanks tons oldduke