5th Gear Ratio Change for Landcruiser HDJ VDJ 76 78 79 ITS HERE!!! A common complaint about the 4.5L V8 turbo diesel VDJ 70 series Landcruiser (and HDJ78 HDJ79 4.2L 6 Cyl Turbo Diesel) is the high engine speed when at highway cruising speeds Typically at 100km/h the engine will be revving at around 2400rpm This can cause loud engine noise, high fluid temperatures, poor fuel economy and excessive engine wear Combined these issues can significantly decrease engine life for those vehicles spending