Why are you going to 1G ("Silverstone Autosports" now)? Do you need service? Aside from that there isn't much there to see (especially with the switch over to the Rossion Q1, which hasn't arrived stateside yet). Here is the list of what will be on the floor when you arrive......
Used Cars at Silverstone Autosports in Hamilton, OH - Inventory
The guys there are great but thats a pretty long haul just to say hello.
Just thought you might wanna know before you drive all that way.