Higher RPM at 100km/h so more fuel used on long trips.shweatypox wrote:What difference does it make going from 3.9 to 4.1?
Installing a TRD 2 way into factory 3.9 open Differential
Re: Installing a TRD 2 way into factory 3.9 open Differentia
Re: Installing a TRD 2 way into factory 3.9 open Differentia
Bugger all in day to day driving