DALE EARNHARDT is going fishing and hunting in Montana this week. . . . Sunday was Rusty Wallace's 300th Winston Cup start. In the garage area before the race, Wallace was given a cake with 300 candles on it. . . . Team owners DK Ulrich and Doug Bawel of Jasper Motorsports have expanded. The USAir Racing Team will have Greg Sacks as the driver of its new No. 77 car. Ulrich will remain as part owner of the RaDiUs No. 55 car, with sponsorship to be announced. . . .Ricky Rudd unveiled the car he will drive next year. The Tide-sponsored Ford will be No. 10. . . . The Maxwell House Racing team is changing cars. Bobby Labonte will switch from Ford to Pontiac next year.