Well there was a run down procedure on the turbocharged Piper Arrow plane I flew. I think it was to let the turbo spin down before oil pressure was lost. Other than that I can see no reason as temperatures will equalise naturally.
Richard
2018 Roadster 3.7 1966 Land Rover S2a 88 2024 Royal Enfield Guerrilla 450 1945 Guzzi Airone
