More #Mazda #GrandAm #racing action from #COTA last weekend: Pierre Kleinubing and Jayson Clunie's #iMOTO Racing #Mazdaspeed3, en route to Fourth out of 33, in the #ContinentalTire Sports Car Challenge, ahead of many a #BMW, #Porsche, #VW, #Honda, #Nissan... #turbo #turbocharged #MZR #power