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#16
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Did commuter ask what to put your tires at when you go to the track? Tires also have a minimum PSI so if you go with the minimum PSI the tire should perform within specs right? Actually just come up here and drive on any of our highways in PA for an hour and you'll be dropping that pressure for the drive home. Any tire can balloon. No not to the same extent of the pure rubber tires from the 40s but I had a set of RE-82s that ballooned from being "over inflated" but yet they were well below the max psi.
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British vehicles are my last ditch attempt to keep the nasty Italian thoughts in my mind at bay. So far its working. |
#17
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The tire have a max inflate of 44 psi. Rocks
Struts acn wear a few ways: 1. Oil is forced out and they don't damp and lets the car bounce up and down. Find this by pushing up and down on the car or driving over bumps. 2. The top bushing wears and the strut shaft gets play at the top of the strut. Find this pulling and pushing at the top of the tire. 3. The valves lock-up and what? If I push down on the car it won't move? How do you check this? Nick, I have stock rims and everything is tight and the struts are okay. I am leaning toward low inflation for these tires and lack of rotation. |
#18
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My tire pressures did just fine, even when the road was rough. My suspension is operating properly.... ideally the suspension is supposed to soak up road imperfections, not the tire. The tire isolates you from road surface grit, but anything larger than pea gravel should be soaked up by the suspension, not the tire. Pneumatic effect is what causes the boaty sensation... something to be eliminated at all cost. If your tires were "doming" with less than the max pressure, I'd recommend you call Bridgestone on the phone and let them know. I've never experienced this phenomenon, and I've owned RE92s, RE930s, and RE950s. Do your comments on this issue derive from the same sentiment that seems to be pervasive on this board, i.e. "Don't modify an SVX! It's supposed to be as soft and luxurious as possible! It's a long distance tourer, not a sports car! You speak sacrelige!" I find it funny. If you are running anything less than a sport oriented all-season tire on the SVX, you might want to consider getting a real set of tires. I have found the winter traction on the Potenza RE950 to be quite acceptable, even driving in the mountains in heavy snow and icy conditions. You may want to take notice that BMW and Mercedes do not recommend 28psi... they recommend 35-40 depending on the tires, and I've never heard anyone call the ride "harsh" in a Mercedes. |
#19
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Try running pressures of 44psi front / 40psi rear. Adjust them when the tires are cold. Seriously, experiment with it. I think you'll be amazed at how much better the car handles with proper pressures. It's night and day. You'll need to readjust your pressures according to ambient conditions... i.e. 90deg in the summer will give you different transient pressures than 30deg in the winter. Readjust to 44/40 "cold" and you should be spot on regardless of weather. Last edited by Porter; 04-16-2003 at 08:25 AM. |
#20
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The winning stock class WRX in the region runs 48f/60r on his race tires and wins consistently over all kinds of modified vehicles. I would run in the high 40s on a true road course. |
#21
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I find it hard to believe that the struts wear out that fast. I want a strut testing machine. I am getting the opinion that different tire types need different pressures. Nice of you guys to argue in my thread. Any ideas on how to hook up a grinder to round off my tires? John |
#22
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#23
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#24
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I searched for a little bit and found no substantial evidence that Ford's recommended tire inflation pressure had anything to do with the tread separation that caused so many accidents.
As a matter of fact, the bulk of Firestone's claims concerning the Explorer's safety focused on the car's handling after the tread separated. Firestone claimed, in a number of complaints to the NHTSA, that the Explorer was more likely to lose control and roll over after tread separation than other similar SUV models. The NHTSA's opinion was that the data available simply didn't support those claims. I found no mention anywhere that anybody claimed that Ford's lower recommended tire pressure caused either the tread separation or the rollovers. So, Porter, despite the fact that you have ignored my request twice now, I ask you again: what evidence do you have to support your claim that Ford's recommended tire pressure caused either the tread separation or the rollovers? Edit: Ha, crap, you posted some stuff while I was typing this one. Thanks, I'll look at the links you posted!
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2005 RX-8 Grand Touring 2005 Outback 2002 Mercedes-Benz E320 wagon END OF LINE Last edited by Mr. Pockets; 04-16-2003 at 09:04 AM. |
#25
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Here's more.. this one's great.
http://www.safetrip.org/press/press_..._0520_usat.php Quote:
http://www.classactiondefense.com/CM...ications25.asp Quote:
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#26
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Did you somehow miss my above posts? Scroll back up a bit. Running lower than 30-35psi in the tires causes excessive heat and stress on the tire, according to Firestone. Running higher than 26psi in the tires causes the Explorer to tend to roll-over, according to Ford. Am I not making sense? Last edited by Porter; 04-16-2003 at 09:08 AM. |
#27
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2005 RX-8 Grand Touring 2005 Outback 2002 Mercedes-Benz E320 wagon END OF LINE |
#28
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#29
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Tires
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I find it interesting that you feel the need to compare it to other European vehicles. How about a 308? The factory recommended pressure is 29 for that? I have a Ferarri tech sitting right beside me. He also tends to disagree with your and I quote him "ricer go fast ideas" but then again that might be b/c he doesn't want to spend $5000 a year replacing parts on his 308's suspension just so that he can pull an extra .02g on the track.
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British vehicles are my last ditch attempt to keep the nasty Italian thoughts in my mind at bay. So far its working. |
#30
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Re: Tires
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To respond to the point at hand, I have RE950s on my SVX right now, they are incredibly quiet at all speeds and performed admirably on packed snow and ice when I was driving in the VA mountains over the winter. They're certainly no Hakkapilettas but they're tolerable in winter weather. I have 14,000 hard driven miles on them and they have surprised me by keeping their grip and their tread.. they are wearing slowly. I run 46f/42r on the street and the wear is even and displays no evidence of tread damage or excessive center wear. Last edited by Porter; 04-16-2003 at 09:37 AM. |
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