Here in Oz, I run Penrite light gear oil in my Defender's R380 5 speed. It has the shear strength of the 80-90wt hypoid with the viscosity of atf. (ATF is the factory recommendation) Nick and Laurie Hand wrote: > Steven mine is a 1980. There are several different kinds of ATF. Just > wondering if there is a preferred type? Thanks Nick <snip>