[wrightz28]

You have a V6 which is a 3.1, a little better than the 2.8 6 that 3rd gens used to have. It's a port injection motor (SFI). The LT1 and newer sibling LS1 are the 4th gen f-body (and other GMs) small block Chevy motors, similar in concept to the the 3rd gen L98 TPI motors.