How do you plan to 'tune' a stock car with standard engine management? Its not possible.
Do a quick power run to check the cars output and air/fuel ratios, but otherwise there is no point.
Oh wait, I remember that trip
Golden line from Paul: "Hay guys lets go find some DOOD'S"
Remember the wrangler that we hired and drove to Drag Combat? - Merli mastered the 4 wheel burnouts in that thing
Good times