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Discussion Starter #1
Hi guys. I just bought a 5th Gen Prelude a week ago. It's been great and I've been having fun with it so far. It's lowered, and came with aftermarket tires and rims. I think they are what you call low profile tires because the tires are 'skinnier' than regular tires. And the tires I can tell are much larger than than stock. I checked out what kind of tires are currently on there and and they are these:

Achilles ATR Sport (1301278351)

All-Season Achilles ATR Sport 215/35/18

I know for most cars the proper PSI is about 32-33, but I'm wondering what should be the PSI for me? I wonder if the setting should be differerent because they are larger tires, low profile, and on rims, and the lowered car. Any guidance would be appreciated. Thanks.
 

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Discussion Starter #3
Hi. I just checked the tires and I could not find any indication of any kind of tire pressure setting to not inflate over. I didn't see the letter's "psi" on any of the four tires or anything resembeling that.

I have heard that on some tires there is a maximum tire pressure rating on them, which one should not go over, but that number does not give a person an idea as to what PSI to set their tires to, only what not to go over.

I am wondering, with my current setup, as described in the first post, what should my PSI be set to. I am only guessing it's different than manufacturer PSI recomendation but I may be wrong about that. Can anyone shed some light?

Thanks.
 

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you'll be fine running 30-34 psi in the tires. too much is like beyond 45psi.

also, depending on the weather, once your tires are completely warmed up, say 3-5 miles of driving, your tire pressure will raise about 2-3 psi.
 

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According to our information the factory tire is 205/50R-16 87V. It has a recommended PSI of 32.

If you now have a tire that is 215/35R-18 XL 84W the recommended PSI would be 42.

Hope this helps.
 

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According to our information the factory tire is 205/50R-16 87V. It has a recommended PSI of 32.

If you now have a tire that is 215/35R-18 XL 84W the recommended PSI would be 42.

Hope this helps.
Very helpful! ^
Thank you for your input!

OP:
If you find that the center of the tread is wearing quicker than the outsides, lower your psi a little.
If you find that the outsides (both sides of the tread) are wearing more than the center, you will want to increase the psi.

I had to play with my truck tires a little. My rears were always wearing in the center too quickly at the factory recommended 80psi (2500HD). I found, after some hit-or-miss, that 72psi was actually the perfect pressure for the rears when my truck is not loaded.

Make sure you get an alignment to protect your tire and rim investment as well!
 

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The tire actually tells you not to inflate over -- psi. Takes 2 seconds to read your tires.
^McFuzzyNoogats: If you are inflating all your tires to the max rated psi, you are going to be buying ALOT of tires my friend.

Not what the OP was asking for.
 
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