Daimler - Daimler E20
The Daimler E20, also known as the Light 20 was produced from 1935 to 1939, which had a 6 cylinder overhead valve 2565cc engine, based mainly on the Lanchester 18 of the previous year, xcept for the Daimler having a slightly larger engine capacity.
Tyre size for the Daimler Light 20 was listed 6.00x18 from the factory. Blockley produce the perfect 600/650x18 tyre with period correct tread pattern and 6 ply construction. See full details of these 600/650x18 tyres at the link below