Kyle Busch was never far from the thoughts of people in the so-called Racing Capital of the World. INDIANAPOLIS — The tributes for Kyle Busch started before racing’s biggest day of the year officially began. At Sunday’s Indianapolis 500, Dale Coyne Racing changed the font of Romain Grosjean’s No. 18 car to replicate the font the two-time NASCAR Cup Series champion and two-time Brickyard 400 winner used during his 14 seasons with Joe Gibbs Racing in his No. 18 car. Then came the opening prayer, in which Busch was mentioned by name. And on Lap 18, race officials lit up…