Just to add...
I have had an email from Shell. V-Power will contain 5% . I have been using it in the Plus8 for a while. The Rover V8 ENGINE is ok but the rubber containing components such as pump, fuel hoses etc MAY not be. The Morgan data on the .gov site is non committal on older cars due to the engine variants used and warns of non ethanol resistant ancillaries.
https://www.gov.uk/check-vehicle-e10-petrol
