LAS VEGAS (KLAS) — In seven months, the Las Vegas Strip will echo with the sounds of Formula 1 when grand prix racing returns to the valley. Organizing, managing and pulling off a race like this is a major challenge, but it’s not the first time Las Vegas valley streets have been turned into a race track. This is not about the F1 races at Caesars Palace. This was the Champ Car World Series that raced around downtown and what’s now called the Arts District. The 2007 Vegas Grand Prix for the Champ Car series happened was April 6, 2007 — 16 years ago. Champ Car driver Will Power drives during…