I doubt you'll ever resolve it - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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I doubt you'll ever resolve it
Posted by davenew (more from davenew) on Fri, 26 Sep 2003 17:58:43
In Reply to: Rear Tire Cupping 01 Viggen, Bill Nelson, Fri, 26 Sep 2003 08:36:34
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Viggens have high negative rear axle camber for performance. That alone causes most of the weight of the car to be on inside edge of tires when driving straight. The surprise is many other cars have high negative rear camber and don't have cupping problem. In my opinion, cupping on viggens is caused by low profile tires with higher tire pressure and the (cheap) U shaped rear axle design. I lowered my rear tire pressure, which were set higher with hopes of avoiding bent rims.. I'd bet $50 the U-shaped rear axle flexes ALOT under cornering loads which would also cause mis-alignment and wear. pure speculations on my part!
dave
posted by 68.10.24...
Posts in this Thread:
- Rear Tire Cupping 01 Viggen, Bill Nelson, Fri, 26 Sep 2003 08:36:34
- I have it too on my 99 9-3 SE, SwedishShiftingSteve, Mon, 29 Sep 2003 07:52:00
- Re: Rear Tire Cupping 01 Viggen, claude, Sun, 28 Sep 2003 13:50:08
- Re: Rear Tire Cupping 01 Viggen, patprice, Sun, 28 Sep 2003 05:39:26
- I doubt you'll ever resolve it, davenew, Fri, 26 Sep 2003 17:58:43 <-- Viewing This Message
- Re: Rear Tire Cupping 01 Viggen, MisplacedYankee , Fri, 26 Sep 2003 13:43:05
- Stupid questions first:, FrozenSaab, Fri, 26 Sep 2003 10:55:46
- Re: Rear Tire Cupping 01 Viggen, AY, Fri, 26 Sep 2003 10:18:10
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