[Yukon Jack]

Originally Posted by special-K

Those other tires certainly were old, if they're the ones on it since you bought the Blazer. It was cool being an 8-lug Blazer with 16" factory split rims. Could have gotten away with calling a special build.

The old tires were on my 69 K20 when I bought it in 1999 - those tires had been installed about ten years previously when the prior owner put the 69 into storage. I'm guessing they are about 30 years old or so. The truck was always inside so they aren't checked but are hard as a rock!