Say you do a burn out on dry asphalt, and leave a ten foot black mark. How much road life do you take off each of the 60,000 mile rated tires that made the marks?
Do you peel off a mile or two’s worth of the tires life, or worse?
This is dry asphalt, so no putting down bleach to add to the rubber peeled off during the burn out.
I’m only your wildest fear, from the corners of your darkest thoughts.
I’ve heard something like 100 miles of regular use for every second that the tires spin.
Although I wouldn’t be suprised it that is totally wrong.
Either way, I try my damndest not to spin my tires. The longer they last, the less I have to spend.
There are literally hundreds of variables that would affect this answer, but based on the data you have posted, I think the life of your tires was reduced very little.
Asphalt is a relatively slick surface (compared to cement), and likely didn’t have any loose gravel or debris to cut the tread.
“60,000 mile rated tires” are probably a pretty hard compound, so were fairly easy to break loose.
The real damage would come from heat, but 10 feet really isn’t enough room (unless the brakes were held at the same time). No smoke, probably no damage.
Look at the tread. If the leading edges are ground away, or if the treads have a “sawtooth” appearance, That’s how much rubber was scrubbed off.