OM Engine and Chassis Information
OM Engine and Chassis Information
There's numerous threads here and on the internet with a bit of searching that cover the 617 NA and 617.95x differences, and threads here which cover souping up 617s.
Okay.... I'll get you started:
https://en.wikipedia.org/wiki/Mercedes-Benz_OM617
http://www.superturbodiesel.com/std/show...p?tid=1857
http://www.superturbodiesel.com/std/show...hp?tid=996
http://www.superturbodiesel.com/std/show...hp?tid=858