hi all im keeef retired (just) RNLI captin in dorset, ive had discoverys for the past 7 years (200tdi) and ive run all of them on kerosien on a 25 to 1 mix with engine oil with no problems, yesterday i bought a 300tdi disco 1997 (R plate) and i need to know if the new car will run ok on it ,the...