I guess the BAR guys were out recently at Bonneville testing a 2004 spec car to get some data for their top speed run later in October:
Full article and photos here:
http://www.indyracereports.com/2005/Articles/BARHondaAtB'villeAug.htm
Full article and photos here:
http://www.indyracereports.com/2005/Articles/BARHondaAtB'villeAug.htm