Hello N N I told you a porky.David called last night and squared me up,saying if you are going to tell some one tell them right.Its a V10 Rolls Royce and its had the fuel injection pump repaired twice at £2000 pounds a go in six months They have abandoned the project now it was to drive a big alternator.Theres about 5000 litres of biofuel in the tank Its some sort of fir tree sap Something extracted from fir trees anyway its like Stockholm Tar to see thick and black and smells of disinfectant.Sorry to misinform you.Regards George