yeh i know, but the diesel only does an extra 20%

dam it, so whats the best way to save fuel on these monsters?

hello everyone, i am a disco owner (3 days), maybe i should have asked these questions before i actually bought the car, but i fell in love with it as soon as a drove it so i had to get it! anyway i'll cut to the chase............ i have a DISCOVERY V8I S AUTOMATIC 1993 L reg 1. Is my...