My guess is Winding Road. www.windingroad.com If you register (free and easy) you can either download the PDF or read on-line. This is one of my favorite US car magazines along with Autoweek and Cavallino. The mag is published by a team in Austin.
Thanks Roy You always come through with the needed data. You are henceforth dubbed "the King of Information"
sorry, yes, winding road. Here is the link: http://mag1.olivesoftware.com/am/getBookWRM.asp?Path=WRM/2006/06/28&BookCollection=WRM_AM&ReaderStyle=Normal&page=3&browserWindowWidth=1014&browserWindowHeight=718&IsMac=1&IsNetscape=1