Tire PSI
01-11-2006, 05:02 PM
#1
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Thread Starter
Join Date: Apr 2005
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Posts: 65
Tire PSI
Please dont slam me for this, but I need to know my recommended tire psi. I have 215/55/R16 Cooper Cobras on chrome ponies. They were low so I took them up to 32, but I was wondering if it should be around 35 or so. Thanks
01-12-2006, 04:41 AM
#6
2nd Gear Member
Join Date: Nov 2004
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Posts: 197
RE: Tire PSI
35 psi is what I recommend. Unless you are hauling ALOT of crap, or you have a heavy vehicle and a relatively low ply rating on your tires; NEVER PUT YOUR TIRES UP THE TO MAX PSI. I work in a tire store and ricers wonder why their tires, which say max psi 50 on the sidewall wear out in the middle. Basically you want your tire to sit more or less flush with the road surface, so about 35 psi will do that.
Also, I'd recommend checking your air pressure about every 2-3 months; alot of people don't know this (I didn't when I started working at the tire store), but its normal for tires to slowly lose air over time (usually .25-2psi a month), so people come in all the time with tires at 15 psi, and they wonder why thier tread is flush with their sidewall on the outsides of the tires.
Please, don't be like the average person who buys tires and then forgets about them; keep them properly inflated and don't run on a flat tire (usually voids the warranty your tires came with).
Didn't mean for this to be so long, but I've seen alot of stuff that could have been avoided, and if you think about it, do you want to spend an extra $100 buying a tire that you could have got some money back for had you not driven on it; or would you rather put on your spare (which also lose air, most are about 20 psi when you put them on and they should be at 60) and have $100 to put towards your next mod?
Also, I'd recommend checking your air pressure about every 2-3 months; alot of people don't know this (I didn't when I started working at the tire store), but its normal for tires to slowly lose air over time (usually .25-2psi a month), so people come in all the time with tires at 15 psi, and they wonder why thier tread is flush with their sidewall on the outsides of the tires.
Please, don't be like the average person who buys tires and then forgets about them; keep them properly inflated and don't run on a flat tire (usually voids the warranty your tires came with).
Didn't mean for this to be so long, but I've seen alot of stuff that could have been avoided, and if you think about it, do you want to spend an extra $100 buying a tire that you could have got some money back for had you not driven on it; or would you rather put on your spare (which also lose air, most are about 20 psi when you put them on and they should be at 60) and have $100 to put towards your next mod?
01-12-2006, 10:06 AM
#8
1st Gear Member
Join Date: Oct 2005
Location: Shawano,Wi.
Posts: 143
RE: Tire PSI
That's the misconception alot of people have. That number on the side of the tire is what that tires max air can hold under full weight capacity which are the other numbers on the tire. Look inside your door and it tells you what to run psi according to the tire listed there. I did run mine (cooper cobras) at 35psi because I wasn't not sure on these tires (the door said 30 psi all the around) but I noticed the center was wearing down so I dropped the psi to 25 psi to let the edges wear down to the center and then took them back up to 30 psi and everything has been good. Wearing nice all the way across. So it's kinda give and take according what tire your running. Just start close to what the vehical calls for cause there taking the vehicals wieght into consideration.
01-12-2006, 02:06 PM
#9
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Join Date: Apr 2005
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Posts: 65
RE: Tire PSI
I checked inside the door, nothing. I then checked on the sidewall and all I seen was the max. Definitely didnt go to 44. I am at 32 and they still seem a little underinflated, I was thinking of going up to 35. Thanks