Site News - 1/26 Vintage Saab Club of North America Magazine Feature
Date: 28 Apr 2007 11:03:05 -0700
Subject: Re: Classic 900 - aluminum or steel/best tires for sport driving

Most of the used stuff I'm looking at is Alu 15"x6" with 205/60. This profile is plenty tall to deal with the smooth roads here (there ain't no Major Deagan Expressway in Deutschland!). The 185/65's I have now are a bit squirrelly up in the 100mph+ range. Conceptually I figure that aluminum rims not only allow faster accelleration and braking, as since being lighter, there is less rotational inertia, but also, a lighter wheel can move up and down faster, allowing the suspension to react faster to bumps and dips. As I said, the effect probably depends on a lot of factors. I haven't really noticed it with this car, but I'm probably gonna do it anyway to get a bit wider, and also to indulge myself a little. I work hard! Robobass

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