is the 6.2 diesel a reliable engine. are there any design flaws do certan parts( ex. injector pump, vac pump) prone to failure what is the life of one of these engines? the only reason i am asking is because i am currently looking for a diesel. and i am very unfimilier with the 6.2 any info on this engine would be a great help. Big bear 8 was that a souped up civic i just ran over?