Look, some guys put up posters of models in bikinis, I keep pictures of chromed engines on my hard drive. What.
1) The above car is owned by Jay Leno. Have him drive through the scene you're writing today. (Or imagine it. Whatever.) What happens?
2) Don't worry if your engine looks like a rusted out piece of crap that doesn't fit the space intended: when you edit, it will look like this.
3) What does your MC drive?