SO-3 or Supra 712's
Registered User
Joined: Feb 2003
Posts: 414
From: Nether reach of CA delta
Car Info: 03 WRX Sedan MBP/17X7.5 SSR Comps/225 Kumho MX
The same here. After driving them for four months I have no complaints. The MX's grip really well and handle rain fine, too. I settled on PSI of 36 rear and 38 front: after they warm up from this pressure they handle just about perfectly for my driving. They seem to wear pretty well, too. I'll be taking them in for the first rotation/balance in a week or so.
If things go as good as they have so far, I'll be buying another set of MX's after these wear out, unless somebody decides to give me a big pile of money so I can try out some SO3's.
If things go as good as they have so far, I'll be buying another set of MX's after these wear out, unless somebody decides to give me a big pile of money so I can try out some SO3's.
Originally Posted by yzercyber
The same here. After driving them for four months I have no complaints. The MX's grip really well and handle rain fine, too. I settled on PSI of 36 rear and 38 front: after they warm up from this pressure they handle just about perfectly for my driving. They seem to wear pretty well, too. I'll be taking them in for the first rotation/balance in a week or so.
If things go as good as they have so far, I'll be buying another set of MX's after these wear out, unless somebody decides to give me a big pile of money so I can try out some SO3's.
If things go as good as they have so far, I'll be buying another set of MX's after these wear out, unless somebody decides to give me a big pile of money so I can try out some SO3's.
Registered User
Joined: Feb 2003
Posts: 414
From: Nether reach of CA delta
Car Info: 03 WRX Sedan MBP/17X7.5 SSR Comps/225 Kumho MX
With 36 PSI on the rear and 38 up front (cold pressure), the tires heat up to about 38-39 rear and 40-41 PSI fully warmed-up. For me, full warm-up takes about 10-15 minutes of freeway or highway driving. The weight of the vehicle means something here, I have an '03 WRX sedan. Once warm, the tires feel hard, like getting a free suspension upgrade. I have noticed no unusual wear on the center tread at this pressure, either. If I drop the tire pressures down just 2 pounds from these settings, the tires never seem to firm up.
This is the first time I've run 17" tires and wheels, and the biggest surprise is how often I have to check tire pressures. The 225 45 17's don't hold that much air to begin with, so I check pressures every other weekend. They can lose 1 to 1 1/2 pounds in that amount of time, even with consistant outdoor temperatures. Good thing I invested in a decent tire gauge and a 12-volt air pump.
It's storming and cold in CA, bet it's a lot nicer in the islands
This is the first time I've run 17" tires and wheels, and the biggest surprise is how often I have to check tire pressures. The 225 45 17's don't hold that much air to begin with, so I check pressures every other weekend. They can lose 1 to 1 1/2 pounds in that amount of time, even with consistant outdoor temperatures. Good thing I invested in a decent tire gauge and a 12-volt air pump.
It's storming and cold in CA, bet it's a lot nicer in the islands
Originally Posted by yzercyber
With 36 PSI on the rear and 38 up front (cold pressure), the tires heat up to about 38-39 rear and 40-41 PSI fully warmed-up. For me, full warm-up takes about 10-15 minutes of freeway or highway driving. The weight of the vehicle means something here, I have an '03 WRX sedan. Once warm, the tires feel hard, like getting a free suspension upgrade. I have noticed no unusual wear on the center tread at this pressure, either. If I drop the tire pressures down just 2 pounds from these settings, the tires never seem to firm up.
This is the first time I've run 17" tires and wheels, and the biggest surprise is how often I have to check tire pressures. The 225 45 17's don't hold that much air to begin with, so I check pressures every other weekend. They can lose 1 to 1 1/2 pounds in that amount of time, even with consistant outdoor temperatures. Good thing I invested in a decent tire gauge and a 12-volt air pump.
It's storming and cold in CA, bet it's a lot nicer in the islands
This is the first time I've run 17" tires and wheels, and the biggest surprise is how often I have to check tire pressures. The 225 45 17's don't hold that much air to begin with, so I check pressures every other weekend. They can lose 1 to 1 1/2 pounds in that amount of time, even with consistant outdoor temperatures. Good thing I invested in a decent tire gauge and a 12-volt air pump.
It's storming and cold in CA, bet it's a lot nicer in the islands
VIP Member
Joined: Mar 2003
Posts: 2,023
From: Phoenix, AZ
Car Info: Subaru Impreza WRX 2002
+1 for checking your tire pressure often; I find myself adding a pound or two to my Goodyear F1s every few weeks (17" aftermarket wheels, 225 45 17 tires). Get a really good tire gauge (never trust the meter on the pump!) and test often, preferrably just before you fire up the car in the morning.
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