Hi folks. I write from Argentina. I´m the owner of a 2000 Ford Ranger 2.5 Turbo diesel with 84.000 miles. The stock ring & pinion set is 4.10. Actually i´m using a set of BF Goodrich AT TA in 31/10.5/15. They look and work great considering the low HP´s of the engine (115 hp), but i would like...