HELP...ran over a HUGE rock and i have some questions...
#1
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Join Date: Dec 2002
Location: SF Bay Area
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Car Info: a wrx?
HELP...ran over a HUGE rock and i have some questions...
last sat, i ran over a huge rock (the size of 5 ps2 stacked game cases) on 280. i ran over the rock with the inside part of my left front wheel. after that, my 03 wrx sedan gets the wobbles whenever im cruising at 60 mph and ONLY 60 mph. im also running whiteline coilovers...any suggestions?
#6
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Join Date: Nov 2004
Location: Japan, where the term "JDM" doesn't exist
Posts: 270
Car Info: '94 WRX, '97 Forester S/Tb, '95 WRX-RA
Look for cuts too. They may be hard to find, but what looks like a minor sidewall cut on the surface can actually be millimeters away from being a nasty high-speed blow-out.
The background on this, if you have time:
A month ago, I ran over some middle-road markers by going over the centerline for a split second. In the states, they are usually harmless flat reflectors, but over here, they put angled steel wedges, almost 2" high, that come to a 45 degree point with a small reflective strip on them to mark the lanes. I ran over 4 going about 35mph in under a second. After it happened, the car drove fine, but I took it easy until I could park and check the tires. The sidewall folded and protected the rim (40 profile Falken tires), so I was happy about that. After checking with a bright flashlight, I saw that there were 4 barely visible cuts where each wedge contacted the tire. Being away from my tools, I had to take the car to a shop. The guy there said it should be fine to drive on the tire, but don't use it on the track. I was only planning on making a 7 hour drive back home, but I went with what I felt and paid the 22,000yen, over $200, for a new tire. After the tire was unmounted, I used a thin steel rod as a depth gauge and checked how deep the cuts were and used a caliper to compare the cut to the actual sidewall thickness. 2 of the cuts were about 3mm from being completely through the sidewall. Add this with the 90mph I would have been driving for 7 hours to get home. It would have been bad.
The moral of the story? Any sidewall damage is bad, small cuts can run deep, and don't listen to the knucklehead mechanic who tells you to drive on it...He won't be in the crash with you when the tire blows.
The background on this, if you have time:
A month ago, I ran over some middle-road markers by going over the centerline for a split second. In the states, they are usually harmless flat reflectors, but over here, they put angled steel wedges, almost 2" high, that come to a 45 degree point with a small reflective strip on them to mark the lanes. I ran over 4 going about 35mph in under a second. After it happened, the car drove fine, but I took it easy until I could park and check the tires. The sidewall folded and protected the rim (40 profile Falken tires), so I was happy about that. After checking with a bright flashlight, I saw that there were 4 barely visible cuts where each wedge contacted the tire. Being away from my tools, I had to take the car to a shop. The guy there said it should be fine to drive on the tire, but don't use it on the track. I was only planning on making a 7 hour drive back home, but I went with what I felt and paid the 22,000yen, over $200, for a new tire. After the tire was unmounted, I used a thin steel rod as a depth gauge and checked how deep the cuts were and used a caliper to compare the cut to the actual sidewall thickness. 2 of the cuts were about 3mm from being completely through the sidewall. Add this with the 90mph I would have been driving for 7 hours to get home. It would have been bad.
The moral of the story? Any sidewall damage is bad, small cuts can run deep, and don't listen to the knucklehead mechanic who tells you to drive on it...He won't be in the crash with you when the tire blows.
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Donnie_Doritos
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12-11-2010 12:38 PM