I have spoken to an Argentinian board member on here, and he doesn't seem to be that knowledgeable of these engines in question that originate down there. I thought for sure as others have pointed out, that Mike has been looking into this for some time now, and he should have a the very least already bought one of the engines from Argentina by now to figure it all out. That would be the easiest scenario, since the small six seems to be were the bulk of that interest lies for the solid roller/hydraulic roller conversion. Maybe he already knows all of these answers and just isn't saying, so if someone else wants to jump in and figure it out, it won't compromise all the research he already has invested up to this point.....maybe. Im just saying that the technology already exists and is being done in Argentina, so why, if the interest appears to be there, and this has been researched by Mike for several years now, are there no answers yet. I've cracked much harder conversions that had no prior existing components or technology. It seems pretty cut and dry to me.....am I missing something