Tell them you have an S8 for the love of god dont say you have a 3.7 they will surely put it at the wrong end of the cool wall !!! we will all back you its only a white lie
you cant be a petrol head and tell him you have an oil burner ether ! big no no
any way have fun its really cool you can go outside and watch the practice laps as well, james may is a nice bloke and he will talk to you if you get a chance chat to him rather than the others as they tend to just blank you, but may will not, sound chap with a love of cars not as pictured on screen