Tyre Rating Pirelli

[Stark9]

So had Michelin PS4’s N0 put onto my car, and it’s worth the loss of the Ackerman judder for that alone!! So all good. £500 on front and £600 on back.

Good times

 

 

[224 Peter]

With the very cold weather in January the Ackerman Judder is very obvious, but only when parking. So I'll live with it until I need new tyres. Then I'll get Michelin PS5 fitted. 

[Stark9]

Still happens with Michelins ….

[iborguk]

31 minutes ago, Stark9 said:

Still happens with Michelins ….

I went from a 987 with 19's originally Pirelli P-Zero's to Michelin PS2's and noticed a reduction in Ackerman (probably just the newer rubber in fairness)

On the 718 with new 20' Michelin PS4's (N Rated) I'm yet to experience it to any noticeable degree.

I'm sure it's still there, all wide tyres are prone to it.

Edited January 23, 2023 by iborguk

[Menoporsche]

I went from very old (8+) MPS2s to new Goodyears and it disappeared.

Now the Goodyears are about 2 years old, I've started to notice it again. So I'm guessing it's age more than anything else.

Those of you who do enough mileage or have enough money to change your tyres every two years may perhaps avoid it. I'll just put up with a few seconds of irritation twice a week.

[718as]

when I put 245 4s's on my 981 the Ackerman effect had gone.

Car seemed more planted with 245s and 285s.

[Happy Days]

13 hours ago, Stark9 said:

Still happens with Michelins ….

But not to the same extent and only in very cold weather. My pirellis used to do it upon spotting a cloud.

[Stark9]

On 1/24/2023 at 9:42 AM, Happy Days said:

But not to the same extent and only in very cold weather. My pirellis used to do it upon spotting a cloud.

🤣