"the engine was rebuilt at high rpm" now that would be a neat trick to do. :) Ken Quoting farna@xxxxxxx: > I've got a lot of experience with 195.6 L-head and OHV engines, Marc, and I > don't think they are particularly fragile. I've only had one that threw a > rod. It wasn't mine, but was in a car I bought for parts. A rod cap came > loose shortly after the engine was rebuilt at high rpm. Apparently the > rebuilder didn't properly torque (missed?) one rod bolt. That rod snapped and > broke the came, ripped a gash through the oil pan, and holed both sides of > the block. Other than that I've never seen one that even developed a know > without a lot of miles on it. The rods and crank are forged, and though there > are only four mains they are relatively wide. it's not a real high rpm > engine, and I don't think I'd turn it more than 4K, but it should hold up to > that level just fine. Note that 4K rpm is around 30% over stock. It's power > rating is around 3K (3200?) and the engine will not turn 3200 rpm pulling the > car along unless you're going down a steep hill. > > ------- > Date: Mon, 04 Jun 2007 19:58:54 -0400 > From: Archimedes <Freedom@xxxxxxxx> > > Tom Jennings <tomj@xxxxxxx> said: > > >> Funny, I was just thinking hat I need to start doing some research on > >> this older six. I too am curious about the 195.6's lineage. > >> > >> I suspect the 195.6 OHV is a peculiar dead end, seeing how it's some > >> Nash head grafted onto the flathead motor. But maybe that head has an > >> interesting story. I know Edelbrock or Offenhauser made a finned > >> aluminum head for the early Rambler (Nash) flattie. Always wanted one of > >> those! (Sort of, not really :-) > >> > >> I do picture a tiny little turbo bolted onto the top of that flathead > >> though, it would be a very funny sight. Even 3 - 4 lbs boost would be a > >> big deal. 150 - 175 hp in the American would be fun and not too > >> stressful (on the parts :-) > > > If you want to see a 196 do the jitterbug right through your hood, go for > it. > > They were weak in the bottom end and their most common problem was spinning > rod > bearings and (eventually) throwing rods. > > This was why AMC made a big deal about the 232 series being seven main > bearing. > > -- Marc > > > -- > Frank Swygert > Publisher, "American Motors Cars" > Magazine (AMC) > For all AMC enthusiasts > http://farna.home.att.net/AMC.html > (free download available!) > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list