this was on another forum hope it helps out if not i know on several chevy avalanche forums that guys have done it and can check it for you if this web site doesnt answer you questions. http://www.avowners.com/forum.idc?show=forum_posts&TID=870&PN=1
GM IFS 101 & The "TRUTH" About Keys in Suspension MODs - Chevy Avalanche Owners Online
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