Hi All, My KUN 2007 Hilux diesel D4D turbo auto trans dual cab has had a GEM recond engine fitted then gearbox failed after 20,000km (185on dial) - engine is much lower in performance than original and gearbox fitters will not warranty new auto box unless engine fixed (Dyno shows it 10-15% down on similar vehicle). Anyone heard of any of this? Thanks, Len :-)