4.10's will be a for sure difference, as stated earlier a good STS, such as an MGW will also help. Other than that some underdrive pulley's, a good TB, is about it. Of course a good set of DR's will also help improve your E/T.
4.10's will be a for sure difference, as stated earlier a good STS, such as an MGW will also help. Other than that some underdrive pulley's, a good TB, is about it. Of course a good set of DR's will also help improve your E/T.