Re: Tire pressures
Posted by Tim Cole On 2022/12/24 9:04:34
For radials use the tire makers recommendations. If they don't publish go to a modern car with similar weight and aspect ratio (xxx/75 ...) and use that which is generally in the 32 to 35 range.
The Packard numbers are for bias ply and should not be used with radials. The angle of the cord sidewall of the bias ply tire creates a response to pressure that is more supportive than radials which is why they use lower pressures.
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