Hmm, pyrometers are as close as the nearest diesel guys hotrod shop. Dash computer by any number of different companies will give you a fair read on power levels too. It's all too much for my head... I just want to have time when someone is not dragging me here or there to do something. I haven't even started the American in a month again. -- Mark Price Morgantown, WV 1969 AMC Rambler, 4.0L, EFI, T-5 2004 Grand Cherokee Laredo, 4.7L, Quadratrac II " I realize that death is inevitable. I just don't want to be around when it happens! " -------------- Original message ---------------------- From: Tom Jennings <tomj@xxxxxxx> > Speaking of overheating... > > What with Bruce Hevner mentioning Yunick some time back I found a copy > of POWER SECRETS cheap on abebooks.com. (I realized later I'd read it > long ago, but lost it.) > > OK, it's 100% Brand C, but man, it's worth reading. Every single thing > the guy talked about (early 1980's) as 'new' or 'coming trends' has > happened. Coil-per-plug, electronic FI, metallurgy, etc, you name it. > > Funny too as a lot of what he recommends for making effective HP is ... > boring, unexciting, and it looks like, rarely followed. He's one of > those umm jerks who never believes what he's told, and tests tests > tests. Probably pissed off a lot of friends. Stuff like when big cams, > big valves, big lift all a waste of time (and when they're not). Spend > money on exhaust systems (boring, unflashy). That sort of thing. > > If you look at his projects you can see he deeply gets one really > critical thing: heat as energy. He says an ordinary radiator, 18 x 20 > inches, is plenty, and mostly what he talks about building is 500 - > 700hp. The hint is, that heat should be going into the flywheel, not the > water our out the tailpipe. Hot exhaust and hot heads means bad > combustion, and that's true even in little street sixes. > > Overheating, unless something's broken or plugged up, is an engine > geometry or tuning problem, period. > > If I had access to a dyno to build motors with, the instrument I'd use > for tuning is an exhaust pyrometer. Max HP + lowest exhaust temp, there > you go, as a rule of thumb you can't get better. > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://splatter.wps.com/cgi-bin/mailman/listinfo/amc-list