Playboy: Where do you work?Tiffani: I work at South Central Sport-Chassis, which sells trucks. Playboy: What do you do exactly? Tiffani: I sell trucks, and I do everything from going to events like the Barrett-Jackson car auction with them to getting dirty in the shop working on them. Playboy: Wow. Tiffani: Yes, that’s the reaction I normally get. [giggles] Playboy: What type of clientele do you have? Tiffani: We have sold trucks to Chris “Birdman” Andersen, Leonard Davis of the Cowboys, Shaquille O’Neal and a few other celebrities. Playboy: Shaq Diesel? Tiffani: Yep, we sold him a P2. Playboy: What’s your favorite model? Tiffani: I love the P4XL. It’s just a big, sexy truck. Playboy: Does size matter? Tiffani: Definitely—that’s what we print on the back of our pit shirts. Playboy: Do you have a shop shirt with your name on it? Tiffani: You know it. Playboy: Now that’s a turn-on. Can one have sex on a creeper? Tiffani: There’s a lot that can go on under the hood….