Tire Pressure
Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Experiment and see. Most of the ones I've had work best with 34-35 front and 23-33 rear.
And please lose the all-caps; it's extremely difficult to read, very rude to those whom you expect to heplp you out, and makes it unlikely that anyone is going to try to bother to slog through all that to figure out what you're saying. There are no excuses ("It's easier", "I only type with one hand", etc.) that make it OK.
And please lose the all-caps; it's extremely difficult to read, very rude to those whom you expect to heplp you out, and makes it unlikely that anyone is going to try to bother to slog through all that to figure out what you're saying. There are no excuses ("It's easier", "I only type with one hand", etc.) that make it OK.
Supreme Member
Joined: Jan 2001
Posts: 1,746
Likes: 0
From: Tucson, AZ
Car: 1991 Z-28
Engine: Can you say stroke?!?!
Transmission: 700-r4
Axle/Gears: 3.42
Or if it's the stock size for the tire, look on the inside of the door. GM puts what they think is the best pressure.
Supreme Member

Joined: Jan 2002
Posts: 3,852
Likes: 1
From: Valley of the Sun
Car: 82 Z28
Engine: Al LT1 headed LG4 305
Transmission: TH350
Axle/Gears: 3.73 posi with spacer
i always run the max tire pressure stated on the tire its self. It makes the car handle much better and just feel tighter.
My tires are similar in size (215/65 16") and I find that I get the most tread contact with the street at about 38 psi. My door sticker says to use 30. The tire mfgr says using 40 psi is too high but 38 is ok. I tried using the max pressure listed on the sidewall (44 psi) once but my tires began to wear more in the center than at the edges.
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