Borg Warner 35 Gearbox Analysis | Triumph Stag Auto Box Teardown & Verdict

While travelling through Wales with Ally The Nag! and Downpipe Duke, TR Tony receives long-awaited news regarding the original Borg Warner Type 35 automatic gearbox from UNY 49M. Borg Warner 35 Gearbox Analysis | Triumph Stag Auto Box Teardown & Verdict After previously fitting a newly refurbished exchange Borg Warner 35 gearbox, Andy — better known as Andy The Clutch — has now stripped down the old unit for a detailed inspection. With the benefit of hindsight, this episode explores an important question for Triumph Stag owners: 👉 Was swapping the original Borg Warner 35 for a complete exchange unit the right decision… or not? In this episode, we look at: • Borg Warner Type 35 automatic gearbox teardown • Triumph Stag auto transmission wear and condition • Expert insight from Andy The Clutch • Pros and cons of rebuilding vs replacing a BW35 • Real-world restoration decision-making • Scenic Welsh roads along the journey This is essential viewing for anyone running — or restoring — a Triumph Stag automatic, or considering options for Borg Warner 35 gearbox refurbishment. 📧 Contact Andy (Morgan Transmissions): [email protected] 🔔 Subscribe for more Triumph Stag restoration updates, gearbox insights, and classic car journeys. #BorgWarner35 #TriumphStag #BW35 #AutomaticGearbox #ClassicCarRestoration #TriumphStagAuto #GearboxRebuild #AndyTheClutch #ArryTheStag #TRTony #BritishClassicCars