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Date: Mon, 12 Nov 2001 16:37:33 +0100
From: "Torben E" <topper666nopsammail.com>
Subject: Re: 17" alloys on a 1991 9000 2.3 turbo


"powerlord" <powerlordnopsamternet.com> wrote in message news:1e15322c.0111120714.5c0c425anopsaming.google.com... > Just bought a 1991 9000 2.3 turbo. > > It's got 195/55 R15 saab multispoke alloys on it. > > I'm going to put some 17s on instead. > > So a quick look at one of the many tyre calculators on the net shows > me that a 205/40R17 will have virtually the same dimensions (.5% > difference). > > However, when I called some places to inquire about wheels, they told > me that there books show 215/45R17s as being required. > > This just doesn't make sense. These would be >5% out. They'd be about > 1 inch in diameter bigger. > > I called Abbot Racing, and they said the same, but when I asked them > to explain, they basically couldn't. In fact, they were quite rude. > > So whats the story ? > > They only explanation I can think of is that my saab has the wrong > wheels on it. If it was supposed to have 195/60s on it, that would > make sense. Even 195/65s would make more sense. > > Anyone shed any light on this ? > > stu Hi Stu My 91 9000 2.3 turbo S (220 hp.) has 205/55/15 as original tyres, my 17" are with 225/45/17 this will raise the overall gear ratio 8%, and is quite nice if you drive long distances. Torben E

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