Re: {Chrysler 300} Tire Pressures

On Friday, July 26, 2024 at 12:38:47 PM UTC-5 jsnowosacki wrote:

Based on absolutely nothing at all except being old (experience), I run radials on all my old cars and as a general rule run about 35 psi in them (measured and filled after driving to heat them up). I imagine on a cool morning before driving they may be a pound or two lower, but still at least 32 or above when cold.

On Fri, Jul 26, 2024 at 11:17 AM 'James Douglas' via Chrysler 300 Club International <chrysler-300-cl...@xxxxxxxxxxxxxxxx> wrote:

I am sure this will open up a pandoras box…

I would like to know how people are dealing with the subject of tire pressures with modern radials on those older Chryslers?

The Service Manual pressures for bias ply are obviously way too low. So, how are people arriving at a “proper” tire pressure for optimum use and tread life?

It would be nice if the tire companies put on their websites the load-pressure graphs they no doubt have. But of course, they will not.

If one runs at the max pressure on the tires and the car is substantially less in weight, then the tires will not perform as well or wear as well as the should. Same if they are under inflated.

So, I would like to hear how people are dealing with this issue.

Thanks, James

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