“For better aerodynamics and less ‘umbrella effect’ at speed, I blocked off my main air intake — but, by adding your hood louvers, I was able to hold down water temps at 180°!” — Tom Harwood
The Tom Harwood No. 3 Camaro in Class GT3 (note Size Semi-Long Straight Cut Hood Louvers and Runcool sticker on door.) Size Semi-Long Straight Cut RunCool Hood Louvers at speed, on “the fastest truck in North America”, Canadian Tire Motorsports Park (formerly Mosport), In Bowmanville, Canada. Tom Harwood has his pedal to the metal. Note RunCool sticker on door in front of the “3”.