Notices
991 GT3, GT3RS, GT2RS and 911R 2012-2019
Sponsored by:
Sponsored by:

Tire pressures?

Thread Tools
 
Search this Thread
 
Old 03-28-2015, 07:00 AM
  #1  
Mass_K
Advanced
Thread Starter
 
Mass_K's Avatar
 
Join Date: Jan 2015
Location: Orlando, Fl
Posts: 90
Likes: 0
Received 0 Likes on 0 Posts
Default Tire pressures?

Have my first track day in the gt3 today at Sebring. What tire pressures do you guys recommend with 60degree weather?

Thank you in advance.
Old 03-28-2015, 07:05 AM
  #2  
Zulu Alpha
Burning Brakes
 
Zulu Alpha's Avatar
 
Join Date: Apr 2014
Posts: 960
Likes: 0
Received 4 Likes on 3 Posts
Default

Start off driving a few laps with street pressures. Get them nice and HOT. Come in, deflate to 30/33 F/R. Enjoy.
Old 03-28-2015, 11:41 AM
  #3  
916Bob
Racer
 
916Bob's Avatar
 
Join Date: Nov 2013
Location: Dallas
Posts: 275
Received 6 Likes on 2 Posts
Default

From Michellin MPSC2 website:
Attached Images  
Old 03-28-2015, 12:41 PM
  #4  
MayorAdamWest
Three Wheelin'
 
MayorAdamWest's Avatar
 
Join Date: Dec 2012
Location: SF Bay Area
Posts: 1,299
Received 19 Likes on 11 Posts
Default

I've found they operate best at the track and hot around 30F, 32R
Old 03-29-2015, 12:48 AM
  #5  
kshu1991
Instructor
 
kshu1991's Avatar
 
Join Date: Apr 2014
Location: Wisconsin
Posts: 167
Likes: 0
Received 0 Likes on 0 Posts
Default

I found out on the manual or somewhere I don't remember, "don't let air go out of the tires when they are hot, or blablabla.....". I have seen several guys on RL who adjust tire pressure during their track days, so I was quiet shocking when reading this sentence. BTW, my dealer set my tyre pressure 9psi higher than Porsche recommend when I picked up my car. 9psi is clearly not due to hot tires.....



Quick Reply: Tire pressures?



All times are GMT -3. The time now is 12:41 PM.