Tireman9 wrote:
Sorry there is no simple answer because there are a number of components that are different for different reasons between the two type tires. Of the 20 - 30 different components used probably 4 to 7 are different so there are at least 4 to 7 different reasons for something to be a plus or a minus depending on how important each performance feature is to the end user.
Speaking of differences....
I've been following this thread very closely and suddenly I'm wondering if we're all starting from the same place re a very basic difference between ST and LT tires- that of intended service life.
Especially given that some folks seem to think that ST's are "cheaper" due to having lower unit prices!
Is it generally understood from the get-go that ST's:
1) are NOT designed to wear out (That's why most ST's don't have "wear bars")
and
2)ST lifespan is more greatly influenced by duty cycles rather than by time/mileage
and
3)ST's must be replaced at 3 years m/l and around 15,000 miles regardless of any appearance of "lots of tread left".
Properly managed, ST's are actually more expensive (per mile) than LT's, which are advertised as giving service over more miles/longer time spans and come with wear bars as indicators of replacement time.
Well, at least when used for the "light truck" application intended by the manufacturer. Frankly , I'm surprised when I hear that any tire mfr. would honor an LT warranty if the tires are placed on a trailer- a use for which most LT's are NOT designed/marketed.
