So it looks like I probably have a bad rod bearing on #6 of my M129. I'm awaiting the verdict from the machine shop regarding the viability of rebuilding my M130 engine which I unfortunately allowed to accumulate some rust in the cylinders (enough to spend two weeks pouring various concoctions into it before the pistons unfreezed). Either way, I need to either drop the subframe all the way to replace the engine or drop it enough to remove (or slide forward) the crank pan to take a look at the #6 rod bearing. If the bearing looks and measures OK I'll put another bearing in there (new or good looking used one (how crazy is that?). If not, then I would like to pull out the crankshaft with the engine in place--is that doable?--and have it machined.
If the subframe has to come out I have the one from my no longer extant w108 which I could rebuild while I'm waiting for the other engine. The king pins are good. I know I need to replace the large conical subframe bushings. But what about all the other bits? There are upper and lower, inner and outer parts. In a complete overhaul does one replace all those or just the rubber parts associated with them? All I have seen are complete kits, no individual rubber parts. Is that because one should replace these in their entirety? For example, the double o-rings on the upper outer cam bolts are trashed but i have not seen these apart from the entire eccentric bolt kit. Rather than paying a couple of bucks for these it looks like I'll have to spend ~$100. And so on.
