As you may have seen, someone was recently kind enough to introduce my Miata's front tire to it's fender by application of force. The tire got some circumferential grooving, but it's pretty shallow. Would you run it?
As you may have seen, someone was recently kind enough to introduce my Miata's front tire to it's fender by application of force. The tire got some circumferential grooving, but it's pretty shallow. Would you run it?
Stick something down in there, and see how deep it is compared to tread depth. If no deeper than tread depth, run it.
that groove right on the edge of tread and shoulder is worrisome
Switch it with the other front so the groove is inboard...
Can you feel steel belts at the bottom of the cut? If so, no. If it's just another tread depth groove,...
You can see in the first pic that it's just about even with the tread depth. The outermost groove is very very shallow. I'm inclined to just go with it, I doubt that I'll have time to autocross it anyway
Nope looking at it the grove it is through the bottom of the tred. And that is next to a ware bar that is about three mill higher than the bottom of the tred. That is a no go on using that tire.
I would do a huge smokey burnout to the cords and send it on its way to the recycle yard.
Good point on it being below the tread, and therefore well below the wear bars.
Now the question is, what to replace the set with? I'm a little annoyed to have to buy 4 new tires since these have lots of life left, but such is life.
You could just buy one, shaving it to match the others if necessary.
They're non-Star Spec ZIIs, so it's probably time anyway. Nobody carries them anymore.
That tire is compromised and unsafe at highway speeds.
I ordered a set of Maxxis Vr-1s, thanks to their 20% off promo. Free shipping too!
Looks like a potential stress riser situation could exist at the bottom of that cut which could result in catastrophic failure in a direction transverse to the cut.
Or it could be nothing.
The problem is you would find out in a high speed curve where its heavily loaded in the direction it would want to split. Seems like something to not take a chance upon a track. Autocross? Maybe.
Id run it on the back, but i still find burnouts hilariously fun.
Burnouts are not gonna happen with a stock-engined 1.6 Miata 
cmcgregor wrote: Burnouts are not gonna happen with a stock-engined 1.6 Miata
You'll burn them off eventually... Just might go through a clutch or 2 first (and maybe some u-joints) due to the repeated clutch dumps at redline
That isn't in a good spot from a flex/deflection standpoint, being on the edge like that. It looks deeper than the tread.. I wouldn't run it.
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