ST Tire "Plies" Question and a PSI Question
(BTW I am aware of the various "issues" concerning Carlisles, Marathons, and ST vs LT, having read many tire threads here over the years. Moving right along then-- :) My 2002 built OEM Goodyear Ma...
Forum Discussion
CapriRacer wrote:
Well, no one addressed the OP's other question - and that is WHY there is a difference in the number of plies between the 2 tires.
First, the nylon cap ply is there to reduce the stresses in the belt edges - and that slows down the appearance of a belt leaving belt type of separation (what is commonly called a tread separation). But it is possible to improve the resistance of the belt edges to separation by changing the rubber compound and the thickness of the rubber between the belts.
In other words, there is more than one way to cook a goose.
So why is there word out there that Carlisle trailer tires have a cap ply? They could have had one at one time - AND - it might be that some sizes have them and some sizes don't.
comments and advice deleted by author. good luck and safe travels.
