It's Mark's favourite part of the project - rebuilding and upgrading the monster V8! Cleaned, stripped of its ancillaries and decapitated, Mark assesses its condition.
Mark visits a gearbox specialist to rebuild an R380 gearbox and transfer box from scratch for his project vehicle.
Meanwhile, the completed, blasted chassis is galvanised by the hot-dip process. It's a very dangerous procedure but the finished chassis looks magnificent.
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Ready to Watch A 4x4 Is Born, Season 1, Episode 5?