I currently have a 01 cavalier with the LN2 and 3t40. Have an option to buy a rusted out 02 cavalier with a 4t40. Main reason i would buy the car is obviously the upgraded trans but is it worth the wiring and cradle swap? I'm not expecting much maybe a lil better fuel economy and freeway driving comfort. Anyone who has the 3 speed will know these things scream over 75 mph.