Thank you, Kurt, and Lynn. Lynn, I know you've been involved in some other conversations about dating tires. What's interesting with this tire is the DOT stamp isn't near the TIN, it's on the other side of the tire. That is what made me think it was pre-71, as the tires I've seen from 1971, 1972, 1973 have DOT right above the TIN. The TIN on this spare doesn't seem to follow the standard code set by the DOT, which made me think it was still when the manufacturers were still using their own in-house date codes.
None of this is crucial information to find out, but I like digging into these mysteries a bit.
The background on this one has to do with a 1 repaint '69 Corvette I purchased last summer. It's a low mile, 1 owner car that was only painted due to a parking lot issue in the early '90s. The window sticker shows this car coming with PT7 option code F70 White Stripe Tires. Early photos of the car confirm the white stripe tires.
When I dropped the spare this week, out came a BF Goodrich G78 Silvertown tire. The tire looks like it was never on the ground and the rally wheel it is on date codes correctly to the car.
I understand that a lot can happen over 50 years, but this spare looks pretty untouched. Have any of the Corvette guys here ever heard of an unmatched spare being included with a car?
Again, there's nothing super important here, it's the nerd in me trying to put some pieces together. Thanks again, guys.
Jeff
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Originally Posted by Lynn
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