Tire Pressure for Aftermarket Wheels
03-25-13, 07:20 AM
#1
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Tire Pressure for Aftermarket Wheels
I have 18's and was wondering if anyone knew what I should inflate to, so far ive read a lot of different answers dont know what's correct
Thanks
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03-25-13, 11:15 AM
#3
I just talked to a tire/rim specialist the other day, he fixed my bent rim. I have Toyo Proxes T1R tires that recommend 50psi but he said he wouldn't dare go past 40. They are on 20's... The reason my rim bent however was because I didn't have enough air in the damn tires...
So...I think it depends on your rim size, and your tires recommendation. What tires do you have? What rims do you have?
So...I think it depends on your rim size, and your tires recommendation. What tires do you have? What rims do you have?
03-25-13, 12:25 PM
#4
Yeah depends on how think the profile is on your tires, and if you have them stretched to fit the rim.
Mine are stretched, and 35's, I tend to run 35-37 PSI all around because when low profile tires that are stretched get low air pressure they are much more likely to deform, separate from the bead or rip, which many times means buying a new tire, and getting a bent rim. So I prefer to slightly over-inflate them, that way I can drive with a bit more peace of mind.
Keep a gauge in the glove and check them every month or so just to make sure everything is fine.
Mine are stretched, and 35's, I tend to run 35-37 PSI all around because when low profile tires that are stretched get low air pressure they are much more likely to deform, separate from the bead or rip, which many times means buying a new tire, and getting a bent rim. So I prefer to slightly over-inflate them, that way I can drive with a bit more peace of mind.
Keep a gauge in the glove and check them every month or so just to make sure everything is fine.
03-26-13, 11:50 AM
#6
I would never run 50 psi in any tire that wasnt a truck tire. Even 40 is stretching it. Easiest way to wear them poorly.
35 psi is sufficient in any car tire. Size doesnt matter. Im not talking about stretched tires. I need traction, I prefer more tread on my wheels.
35 psi is sufficient in any car tire. Size doesnt matter. Im not talking about stretched tires. I need traction, I prefer more tread on my wheels.
03-28-13, 11:05 PM
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ANY tire? There are many many cars that require more than 40psi and have "Extra load" tires. A lot of BMWs Merc's..
Not that this is relevant to the OP, I am just throwing it out there that you should follow the manufacturers recommendations that are listed in the door jam or for some, behind the gas cap door. Running 35psi all around on a BMW that requires 36 in the front, and 44 in the rear WILL lead to irregular wear, and shortened tire life.
Not that this is relevant to the OP, I am just throwing it out there that you should follow the manufacturers recommendations that are listed in the door jam or for some, behind the gas cap door. Running 35psi all around on a BMW that requires 36 in the front, and 44 in the rear WILL lead to irregular wear, and shortened tire life.
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03-29-13, 11:52 PM
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Most people on here do not ONLY drives a Lexus....
Your information is misleading, and I was clarifying that not every car in the world should only run 35psi.
"35 psi is sufficient in any car tire. Size doesnt matter. Im not talking about stretched tires. I need traction, I prefer more tread on my wheels. "
^^ This is absolutly not true. This is what I was clarifying.
Your information is misleading, and I was clarifying that not every car in the world should only run 35psi.
"35 psi is sufficient in any car tire. Size doesnt matter. Im not talking about stretched tires. I need traction, I prefer more tread on my wheels. "
^^ This is absolutly not true. This is what I was clarifying.
Last edited by BuffNStuff; 03-29-13 at 11:59 PM.
03-30-13, 04:13 AM
#10
^^^agreed , as 20" do require 40psi min or risk rim damage and premature wearing as with rubberband sidewalls .. i have 20" since day one with the coupe and anytime the pressure drops to 35psi or so , car feels squirley and theres little protection of impact to the actual rim
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