I had BFG Radial TAS on my street driven TA forever. I was worried so last summer before I drove it to shows , I put new BFGs on. I asked shop to look at old tires ,didnt 'see' anything,they were flexible to get off. I looked closely at them inside and out no cracks. Sooo I dont know. I did chirp them couple a times going to tire shop. SSoo! I kept them. Now what? I think new tires are cheap insurance,wel maybe.
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