Date: Sun, 6 Mar 2005 19:55:52 -0500
From: "Tex" <texnospamm101.org>
Subject: Another winter tire question...frost heaves


A couple weeks back, I had posted a question in regards to my 2004 9-3 Aero's tires...in 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 exists....one 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

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