Briar,
I will PM you with my cell phone number, just in case these directions aren't clear. I will be at the track Friday Night as well, around 6:30. My truck has a big American Flag sticker, in the shape of the good ole USA, in the back window so I should be easy to find.
Now to get to the carwash, as you come out the front gate of the track, across the street, there will be a small gas station, and a little to the left there will be a road, I don't know what the name is but take it. There is mostly Amish along there, and there are alot of curves, so be careful going through there. You'll stay on this road for a few miles, and evetually it will come to a stop sign. This road is Rt5 South. Take note of the Mobil station to your left, this will be your marker for coming back. Cross over the two South bound lanes, and turn left onto the two Northbound lanes. You will then go through a stop light, then a few miles up the road there will be a flea market on the right, then a Burger King, and a Mcdonalds. Just after the McDonalds there is a BP gas station, the car wash is behind it. You should be able to see it from the road. There is a sign that says "Car wash", but it's hard to see. If you see the 7-11, or end up at the stop light then you passed it. No problem though, just take a right at the light, then another right, and you'll see it.
Look foward to meeting you guys.
Ted