S4's Recommended PSI

Troyz · 07-22-2013, 09:16 AM

I got new S4's to Discount Tire recently and a 4 Wheel alignment at the Dealership. I love these tires!

The dealership swapped the atmosphere in my tires with N and put about 40 PSI. The drivers door said 35PSI so I dropped mine to about 36.5 lbs Cold.

What is the best PSI for daily driving and moderate concerning driving slower?

I take harder corners 85+ MPH. In Texas on the toll (Redneck Autobahn

) the speed limit is up to 85 MPH. I typically exceed that +15 MPH. The Summers temperatures typically are range from 80º-105ºF so there is no reason to put too much N in the tires.

kenchan · 07-22-2013, 10:17 AM

in your case i would use 35psi cold.

i run S04's on my G35C (which is also 35psi recommended cold), and i use 37psi at 80F since my driving is around 70F in the summer early am hours.

i too agree the S04's are great tires. the sidewall looks good too, unlike a lot of the others.

fuct · 07-22-2013, 01:47 PM

is nitrogen too hard to speel? :P

07-22-2013, 09:16 AM	#1 (permalink)
Troyz Base Member Join Date: Mar 2013 Location: Austin Posts: 154 Drives: 370Z Touring M6 Rep Power: 13	S4's Recommended PSI I got new S4's to Discount Tire recently and a 4 Wheel alignment at the Dealership. I love these tires! The dealership swapped the atmosphere in my tires with N and put about 40 PSI. The drivers door said 35PSI so I dropped mine to about 36.5 lbs Cold. What is the best PSI for daily driving and moderate concerning driving slower? I take harder corners 85+ MPH. In Texas on the toll (Redneck Autobahn ) the speed limit is up to 85 MPH. I typically exceed that +15 MPH. The Summers temperatures typically are range from 80º-105ºF so there is no reason to put too much N in the tires. Last edited by Troyz; 07-22-2013 at 10:05 AM.

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07-22-2013, 10:17 AM	#2 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141521	in your case i would use 35psi cold. i run S04's on my G35C (which is also 35psi recommended cold), and i use 37psi at 80F since my driving is around 70F in the summer early am hours. i too agree the S04's are great tires. the sidewall looks good too, unlike a lot of the others.

07-22-2013, 01:47 PM	#3 (permalink)
fuct A True Z Fanatic Join Date: May 2009 Location: Sugar Land Posts: 3,692 Drives: 97' Ranger :) Rep Power: 24	is nitrogen too hard to speel? :P