It'll do no harm to the engine no, but it may harm your wallet, depending on how many litres a barrell is Also important to use a fuel that's got no lead additives or it'll feck the cat, if fitted. Fishwick, lol, that's my username on the Corrado forum so I'm just going for some consistency. Dunno where the inspiration came from. Was watching Coronation street one day and a bloke on there was called Colin Fishwick, which I liked the sound of, LOL!