Racer:
The Great Wasteland Rides counter pack is available on DriveThruRPG.
DriveThruRPG - Great Wasteland Rides from Planet Thirteen
http://www.drivethrurpg.com/product/...asteland-Rides
http://www.drivethrurpg.com/product/...e-Doomsday-Map
http://www.drivethrurpg.com/product/...-Bundle-BUNDLE
You should discuss with SJ Games posting scans of your official but unreleased Car Wars counters on Warehouse 23.