Pzero Corsa tire pressure and track tire pressure on GenV

[Bleed viper]

Hey everyone, just upgrading to the Pirelli Corsa's from the standard Pzeros. Wasn't quite ready to make the jump to a more dedicated track tire as I drive about 95% on street, but wanted something more in the middle. Question is, I know the Pzeros say 29 PSI, but what about the Corsa's? Are they the same. And what about for the track? Do you start cold at 29 and let them heat up to what? At what point do you bleed some pressure back off? Trying to gain some knowledge as to what has been working for everyone. Getting them put on Monday, so trying to get some ideas. Thanks for the help.

[swexlin]

I run my Corsas so they are 29-31 "cold" (in warm weather); they will heat up to 34-35 in summer depending on ambient temp and how hard I am driving.

[TA Two Oh]

Ditto Swexlin's numbers except to add that on the track I never let them get higher than 31.5. Any more than that and they start to go away, and their treadlife shortens up considerably. I have 10,000 miles on my original rears; they're close to done now. My fronts lasted about half that distance. That includes a few track days but I don't push that hard... I would describe myself as a brisk and crisp track driver, not someone that always goes b*alls-out. The Corsas also seem to appreciate a gradual warmup on the track; give them a bit of time to get up to temperature. I tend to end up bleeding them down after each session in the morning... by the afternoon they're usually fine. By following these steps, they have exceeded my expectations... grippy and fast, with long life for a performance tire.

If you start doing more track events, you'll want to consider getting the T/A specification alignment so that your tires wear more evenly across the tread surface. For mostly street driving, your factory alignment specs should be fine.

I think that you'll be very happy with them!

[Bleed viper]

If you start doing more track events, you'll want to consider getting the T/A specification alignment so that your tires wear more evenly across the tread surface.

Car goes in Monday to get the tires on, TA alignment and all fluids changed. Getting ready for track season!

Thanks for the help guys.

[Stealth]

Couple of suggestions here that are different from the posts above.

My car is a 2014 GTS. It has Advanced Aero (TA Aero), SW II Wheels, TA Sway Bars, stock alignment (not TA Alignment) and Corsas. I have done a few track days.

My experience: Start at 29psi cold all around; when you get off the HPDE track check your pressures. I like to let air out until I get about 32psi hot.Also, check your tread wear when you come off the track. You want to see that, based on your psi, you are using all of the tread (not less than all, which would be over-inflation), but are not "rolling over" onto the sideway (which would be under-inflation). At the Very Track Experience the Gen Vs P Zeros were set at 50psi cold!

The TA Alignment (basically more negative camber) will eat your tires during normal driving (which for me is 99% of my use).

If you do a search on this issue you should find some threads.

Have fun!

[Larryskillzs]

On the track, I have to bleed all the way down to 25-26 cold. The corsas get hot fast!

This was confirmed when I did the 3 days at Bondurant. They like 26 cold and 30-32 hot. In the Bondurant Vipers, we were running 60-80 minute sessions.

Everyone has their opinion on hot track psi, but to me 31 seemed optiomal.

[Bruce H.]

Everyone has their opinion on hot track psi, but to me 31 seemed optiomal.

That's because most guys are guessing based on seat of the pants impression instead of monitoring tire temps and actually knowing. For many a general target hot psi may suffice, but optimal tire performance really does depend on accounting for the driver, car, and track factors that dramatically affect temps across the face of the tire. Those temps will indicate required changes to pressure, alignment, and so on.