Sounds spot on Roger and consistent with yours and others findings.

Many modern engines seem to have this thermostat location, some even with ECU controlled override to provide quicker cooling reaction to sudden increase in power demand.

Last edited by Richard Wood; 04/01/19 09:12 AM.
Richard

2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone