17-07-2023, 08:57 PM
Many years ago I tried running my Seven on a mix of paraffin and petrol - totally unscientific but I would guess around 10% paraffin - and there appeared to be no difference in running or performance. I have no idea whether it ran any cooler - we didn't seem to have such hot weather back then and certainly not the traffic hold-ups. The blend probably still had a higher octane rating than pre-War fuel.