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Re: C900 tire sizing
Posted by Andy de Boer (more from Andy de Boer) on Sun, 10 Dec 2000 16:19:02
In Reply to: C900 tire sizing, andrew m. boardman, Sun, 10 Dec 2000 09:30:40
Hello Andrew
>From personal rally experience, (on a Subaru Legacy) changing tire sizes was a problem in the gear ratio and power available. We ran larger diameter than stock and would have no power left when going into third, nothing. We finally ran the stock sized tire at Charlivoix and the power was better throughout the gears. Also there are different theories on tire width and surface, weight is also an issue, you need more power to roll the 'bigger/wider' tires and true rally snow tires are very narrow, at least the ones TnT(McGeer/Williams) run on the WRX Impreza. Also I trust you will be using alloy rims and not steel? The alloys will last much much longer when you hit rocks and get a flat.
My recommendation is to stay with stock sized tires on alloy rims. Buy NEW rally purpose tires, this link just arrived in my mail box, it may be of interest... http://www.tirerack.com/tires/kumho/ku_r700.jsp
Although I don't rally a SAAB, I drove one for many years and plan/hope to rally a 1963 96 one day.
Good luck
Andy de Boer
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