All about 4x4 PerformanceTable of ContentsThe Of 4x4 TuningThe Basic Principles Of 79 Series Landcruiser Modifications The Greatest Guide To Bigger InjectorsThe smart Trick of P4x4 18g Turbo That Nobody is DiscussingThings about 4x4 UpgradesGetting My 4x4 Tuning To WorkRate limitation indication Ben Hasty/Media, News Group/Reading Eagle/Getty Image