Originally Posted by Deejay
Guess it would be wise to get the actual concentration scientifically measured after running for a while for peace of mind?

Yes I use a refractometer such as picture link below to confirm coolant freezing point in each vehicle before winter.

[Linked Image]


Richard

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