whats your price range?
$5000- decent 93-97 LT1 Camaro Z28 or Firebird Trans Am, or 5.0 Mustang
$8000- decent 98-02 LS1 Camaro Z28 or Firebird Trans Am, or 99-04 Mustang GT
i would shoot for a 98-02 fbody (camaro or trans am). the ls1's are strong as hell and can take a beating on the street