(The correct optional size tire would be a 245/60-15) ?
215 75R 15
you can reach them by removing the tires and the wheel well guards [plastic]
The alignment on your front-end tires may be off, it would be a good bet to take your car to a mechanic.
New shocks or struts, new springs, new bushings, and new tires.
They were definitely 15 inch rims and the tires were most likely 205/75R-15
Original Equipment Size: 205/70-15
The tires that came stock on the 1959 Impala were the OEM. On the convertible they were the 235 blue-flame tires. OEM stands for the original equipment manufacturer.
Correct tire pressure with original tires PSI information can be located in your owners manual. Non stock tires PSI range is molded in the tires rim
Listed on the driver's door post.Original Equipment Size: 225/60-16
Yes
Most LS and LT models came with Continental Brand tires.
mine has 8.25-16.5 commercial tires on it as far as i know that is factory