458 Steering wheel shaking/vibration after a track day in the 458

You warped your rotors, or lost a balancing weight.

 

Check the front tires (and back) for rubber buildup from the track. You should be able to scrape off the excess rubber. If that is not the problem, then maybe the wheels got hot enough for the stick on weights to come off. That would be easy to spot. You would see the foam sticky part, but no weight.
Here's what rubber buildup looks like.
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I've had that happen multiple times with multiple fixes. Tires/wheels can get out of balance. Wheels can bend. Control arms can warp. Probably more reasons. Unfortunately, you have to throw money at it until it is solved.

 

+1

Unless ...far fetched ..abs sensor/wheel sensor is getting tricked by something picked up in track ..is it an abs pulsation ?

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I think other people mentioned this as well, but my guess would be OPR (other people's rubber).
Easy to fix by just putting some miles on the tires. It happens to me almost every track day (I don't track Ferrari though).
Second guess would be a tossed weight. The glue can soften from the heat, causing it to fall off (never happened to me yet).

Of course those guesses apply only if it was a smooth track, and you didn't hit anything too hard, or the curbing, etc.

 

Sounds like a wheel balance problem. If you track your car you can put aluminum tape over the wheel weights so you don’t loose them and go out of balance.

Have a look if your weights have come off.




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Lots of possibilities noted above; I’d go with a balance related issue - tossed weight or accumulated rubber from the track (a real BB to remove BTW).

 

Most likely a wheel out of balance, either from pickup of rubber or losing a wheel weight. If your brakes got really hot, that can cause the adhesive on the wheel weights to fail and drop the weights. I had that occur, and the solution was to cover the wheel weights with aluminum foil tape.

 

As others said most likely you picked up rubber from the track. Could be a missing weight, but because it feels uneven, more likely excess rubber.


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Thanks for the info on Pitt, I’ll put it on my radar.

Could be a bunch of things causing vibration - tire wear, bent rim, lost weights, marbles (hard rubber), mis-alignment, etc. But it’s fixable and not an engine or transmission problem.

I bent a rim and didn’t even feel it until I went to change the tire.

Hey, maybe see you at Pocono this week, I’m leaving tomorrow for FCA on Monday and Tuesday!

 

curious on the outcome ........