TheBigDog

Guys what is the ideal tire pressure for non-runflats in the Z06 sizes? Just installed a set on my car and the shop put 35psi in the rears. It seemed a little high to me since I am used to the runflat pressure

Thanks,
The Big Dog

WKMCD

30 lbs all around - cold

djengr

30 psi cold

I try to inflate and set mine for 28 psi cold in the morning. In the afternoon they will be at 30 psi cold.

jman1

i keep mine at 30....

Rogue Wave

30 cold

MY1STPEWTER

I used to keep mine at 30psi cold. I now try to have them at 30psi after they've warmed up, this per information from one of our corvette guru's. I won't mention your screen name Bill. Even though we all know who you are.

TEXHAWK0

I run 30 psi in the rear, and 32 or 33 in the front.
With 30 in the front, it seemed like I was still getting more wear on the sides than in the center.

rws.1

30 +/- 1 lbs cold all around...

99 vett babycar

GM specs 30psi cold and I check my tire pressure at least once a week. I've gone thru two sets of tires so far and BOTH sets wore out in the center of the tread - both edges had better tread than the center. That means I've been running too much pressure ( I know, I know, you're going to say it's my gauge - but it's not, I have used as many as 4 different gauges, different types etc. ).At the price of our tires that really pissed me off.

Couple of days ago Evil Twin jumped into one of these "Tire Pressure " treads and I believe said he keeps his pressure at 28 pounds cold. His comment gave me the courage to come out of the closet and admit I've been doing the same thing since I put my new tires on and, so far, about 4000 miles, there is no discernerible difference in tread pattern wear.

One point the Evil one made that had never occured to me was that the C5 is a lite car and since it weighs consideraly less than most of the rest of the cars out there tire pressure need not be as high as on "normal cars". If I remember correctly the factory recommended presure on my Jag vert was 34 psi cold and ,man, did that thing out weigh the Vett.

PS= just want to set the record straight. I went into search and found Evil's post and I want to correct what I said he said before he sends me to hell .

The Evil one said he never allows his tire pressure to get "more than 30/31 psi HOT".

Evil-Twin

30 PSI Hot !!!!!!!!!!!
The sticker on the door is a generic sticker.. designed to keep people from putting 44 psi (Max ) thats what it says on the sidewall....
pressure varies from place to place..
30 psi cold means nothing... It the tire pressure while the car is actually moving and up to temperature, that decides how effective the tire performs..
while 30# is a safe number, and it wont get you into any trouble..
It will however get you into financial trouble on a hot day in Texas when asphalt temps can reach 140/160F.. this turns a 30 psi cold tire into 36 psi.... to high, loss of contact patch because the tire is now center high... starts to wear in the middle because pressure has cause a center high condition, you wont see it visually but you tire know the difference.. high pressure allows you to break the tires easier because so much less of the tire is in full contact with the surface..
I and many other who do what I do are getting 43,000 to 45,000 miles.. using this thinking... It's hot summer time road temps that will take its toll on your tires... you do not want to be running the tires at 38 psi hot...
7 psi too much could erase 25% of your tire life...
ON the Winston circuit I have been told that 1 psi can make a difference not only in winning but get you a few extra laps and a few mpg..... circuit racing crews monitor track temps and adjust tires according to the temps.. NH RA do the same thing... its track temps and pressure.

The same sticker goes on cars that see -27F in North Dakota, and cars that see 110F in Arizona... in areas where there is a great disparity in a daily temperature is where this philosophy works best...
summer mornings its 50 F and buy 2 PM its 105...
This tire monitoring stuff is really common sense.,
when its gong to be in the 90's you need less than 30 psi cold...
in the winter the temps do not vary as much... of course this is a geographical thing...
Extreme temps can cause premature tire wear... temps that only vary buy 20 degrees are not as critical..

Vetteman Jack

I've always set mine at 30 psi cold, but I may just try what ET says and see how they wear.

JWB ZO6

I set mine at 29 psi cold they get to 31 psi after about 20 minutes.

jrose7004

There it is!

Evil-Twin

You really only need to monitor them when it is hot outside.. you should never see 34/35/36...... when driving