>Heat is definitely the enemy of diesel engine longevity. I have emphasized in
>the past that engine oil temperatures are a critical issue and to that end

From what I've heard/seen, head temperature and differential cooling
within the head (mostly after shutdown) is the critical issue with
turbodiesels, with cracking being the problem. apart from fitting a
turbo-timer to slow cooling on shutdown, there's no way to compensate
for this. I haven't heard of bearing failures or premature wear being
a problem.
--
Andrew Grebneff
Dunedin
New Zealand
Fossil preparator
Seashell, Macintosh, VW/Toyota van nut
� Opinions stated are mine, not those of Otago University
"There is water at the bottom of the ocean"  - Talking Heads