I am thinking of LPG my 02 4.6is as I only bought it for the weekend but can't keep the wife out of it but love it and would like to make it more affordable to run need some advice I have been looking at the web get it some here with some Italian kit with 3year warranty for £1350 plus vat can anyone give me their personal experience. On a run I get bout 22 per gallon and bout 17 running bout according to computer.