Date: Sun, 06 Mar 2005 23:18:39 -0500
From: ma_twain <>
Subject: Re: Another winter tire question...frost heaves

Tex wrote: > A couple weeks back, I had posted a question in regards to my 2004 9-3 > Aero's that they were obviously not meant for winter driving. I > received many good recommendations for winter tires/rims. Thanks! > > However, one other less obvious requirement for winter driving > that I hadn't really thought of until this weekend. ...Ability to handle > "frost heaves". "Frost heaves" are those nasty bumps in the pavement due to > freezing/refreezing. I ran into many on my trip to northern Maine this > weekend. My guests and I nearly became nauseated while driving in the > car...feeling every little bump on my 17" rims/low profile P Zeros. > > If I were to get 16" rims with higher profile/winter tires would this help > the car to better absorb those frost heaves? Or better yet, would moving > all the way down to 15" with all-season tires, absorb those bumps even > better (and still maintain good snow/ice driving ability)? > > I realize the Aero's springs are a bit tighter as well...I admit, I have few > clues about the mechanics, is there a way to loosen up the springs (ok, this > admittedly defeats the purpose of owning an Aero)? I'm not sure if this is > something that is even adjustable. Is this going too far to resolve the > problem? > > - tex > > > Going to a tire with more sidewall and more give, will provide a more comfortable ride on rough roads. I don't know if you can go down to 15" rims on you Aero. You could do what I did to handle winter driving issues and rough roads. I bought a NG900 to drive in the winter. I let it take the salt and the abuse. These are inexpensive because no one wants them as a driving car and if it last 2 years, I got my money's worth out of it. A good Classic 900 is getting hard to find. The price of an older Classic 900 is actually higher than the new NG900.

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