70 chevy truck longhorn tire size

[Luis_gz06]

What size tire # replaced 9.50-16.5?

Luis.

[Stocker]

They are typically 31" tall (or slightly less), and 31x10.50-16.5 is the same -- though somewhat wider.

[skchevota]

[Palf70Step]

Stock Tire - 9.50R16.5
Section Width: 9.48 in 241 mm
Rim Diameter: 16.5 in 419.1 mm
Rim Width Range: 6.75 - 8.25 in
Overall Diameter: 30.73 in 780.54 mm
Sidewall Height: 7.11 in 180.59 mm
Radius: 15.36 in 390.14 mm
Circumference: 96.54 in 2452.1 mm
Revs per Mile: 676.8


Tire 1 - 245/75R16.5
Section Width: 9.64 in 245 mm
Rim Diameter: 16.5 in 419.1 mm
Rim Width Range: Unrecognized tire size.
Overall Diameter: 30.96 in 786.38 mm
Sidewall Height: 7.23 in 183.64 mm
Radius: 15.48 in 393.19 mm
Circumference: 97.26 in 2470.4 mm
Revs per Mile: 671.8
Speedometer1: 59.5 mph 99.2 km/h
Speedometer Difference: 0.744% too slow
Diameter Difference: 0.75%


Tire 2 - 255/70R16.5
Section Width: 10.03 in 255 mm
Rim Diameter: 16.5 in 419.1 mm
Rim Width Range: Unrecognized tire size.
Overall Diameter: 30.55 in 775.97 mm
Sidewall Height: 7.02 in 178.30 mm
Radius: 15.27 in 387.85 mm
Circumference: 95.97 in 2437.6 mm
Revs per Mile: 680.8
Speedometer1: 60.3 mph 100. km/h
Speedometer Difference: 0.591% too fast
Diameter Difference: 0.59%


It looks like the closest in today's metric sizes would be a 245/75x16.5, or the 255/70x16.5, the later being what I would choose.

Again you have the 31x10.50 size which is close in height, but wider, another good choice.