The shortened wheelbase will make a big difference.
We got our new wood chassis rolling tonight
http://www.youtube.com/watch?v=Yb8IPQYp_M0
The concrete floor is pretty smooth, and it probably has a bit more friction than the proper material (which we need to buy soon!). Handling is pretty good...all things considered...but having it light, no trailer, wrong floor, everything will be different in the game.