Allright, I finally found a decent forum with lots of info and enthusiasts for Mercedes Diesels!

After reading too many Cummins websites, I see how a lower compression diesel can make some serious power when fuel and boost is turned up. At 22:1, the Mercedes is too close to the edge for me to tinker with a lot. So I was thinking of how to drop the compression ratio down. Well, I can't find the bore and stroke specs on all the 60x motors easily. I do know that the 601 went from 2.0 to 2.2 and the 603 had a 3.0 and 3.5. I have to assume that an increase in stroke occurred in these expansions. So, unless block deck height changed or the combustion chamber changed, the longer stroke cranks needed shorter connecting rods. Well, I know dirt about these motors, but if bearing sizes were kept the same, can the stroked connecting rods be coupled with the smaller cranks to drop the compression ratio? It may be too drastric of a change, but I was hoping to find out if it was possible. If anyone has any specs, please share!