What air pressure are you running in your tires? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-30-2007, 12:41 AM   #11
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Quote:
Originally Posted by petraman
42 PSI in the rear, 45 PSI in the front
Quote:
I am interested for the 2000 and up models with stock size rims and tires.
Is anyone even bothering to READ the post? Two in a row. Some kind of record.
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Old 05-30-2007, 12:42 AM   #12
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oops

just noticed that...
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Old 05-30-2007, 02:38 AM   #13
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Default Re: What air pressure are you running in your tires?

Quote:
Originally Posted by whitecrystal1
I am interested for the 2000 and up models with stock size rims and tires. That don't have to be the original tires, just the same size.
What size are your stock rims and tires?
(Perhaps the SSEi only has one option, but let'* get that clarified)
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Old 05-30-2007, 08:06 AM   #14
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I am still on the stock RSA'* and run 32 psi. I have no shimmy but i have one tire with a very slow leak. I usually check the air in the tires on Saturday morning. I also have a small Craftsman compressor which is nice for inflating tires. Makes it easy to check on the tires.
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Old 05-30-2007, 11:15 AM   #15
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I run my RSA"* at 28 Lbs Cold in the summer for better acceleration, cornering, and braking ; and the fact that hot tire pressures are higher in hot ambient conditions. And run them at 32 lbs Cold in the winter for better snow traction. If You are interested in gas mileage then the closer you get to the Manufacturer'* max the better fuel mileage you will receive. Also higher tire life mileages will be achieved at higher pressures, although at maximum recommended pressures most brands will wear the center tread out prematurely, so some discretion is needed.
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Old 05-30-2007, 01:24 PM   #16
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I'm with the rest, running a tad under 35. And like a couple others, I have a slow leak also on one tire. And unlike what I've heard, I haven't had any problems so far with any vibrations with the stock tires. I don't like to go too far past the recommended pressure on the door because that was put there for a reason. A modest amount higher will improve gas mileage, but I don't think I would want to get any closer to the max on the tire.
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Old 05-30-2007, 06:35 PM   #17
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Default Re: What air pressure are you running in your tires?

Quote:
Originally Posted by agrazela
Quote:
Originally Posted by whitecrystal1
I am interested for the 2000 and up models with stock size rims and tires. That don't have to be the original tires, just the same size.
What size are your stock rims and tires?
(Perhaps the SSEi only has one option, but let'* get that clarified)
Edited first post to state size of 235/55/17
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Old 05-31-2007, 01:09 PM   #18
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when i had the stock tires on the car i ran 38f/35r (235/55-17) :(
now i have 255/50-17'* and i run 40f/38r

ROD
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