please please can anyone give me any info on which engine is best 4.0l or 4.6l i have had a 1998 4.6 before and it was a complete shed i now own a nissan navara and would like another rangie(but i am scared) i have been told a 4.0l 2000 on is the best but not convinced? i would like lpg which was the plan before so any info would gratefully be appreciated.