Bit of useless information: in 1946 a 1931 car would run on a mixtue of 50% "Pool" petrol (rotten stuff, severely rationed and 1/8 a gallon) and 50% paraffin (unrationed and 9d a gallon), but not from cold. But there was a way round that (ask Grandad).
Fit a second tank with a switch-over valve would be one solution, but do tell
