Are the leading Honda teams lacking speed or are Team Penske and Chevy benefitting from last week's solo test at Sonoma Raceway? That was the big question at the end of Thursday after three of Penske's drivers topped the times, and did so by a considerable margin of more than a half-second over Honda's best, Sebastien Bourdais. Using all they learned on their own with the track to themselves certainly didn't hurt the Penske drivers. With Bourdais 0.5664s behind in his Dale Coyne Racing entry, Andretti Autosport's Alexander Rossi directly behind, albeit 0.6209s off the top Penske lap, and Chip Ganassi Racing's Scott Dixon in sixth (+0.6505s), Friday will tell whether the Hondas will be able...
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