Thanks Graham. Attached is a video of the run up to the fort. Even hitting speed humps at 20-30 mph did crash out the rear end. Whilst the tools in the tool tray rattled with the rapid compression.
It seems I may have got it right but will test further on Friday.
https://youtu.be/NaRiRahKA3E


JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger