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On Fri, 2003-08-08 at 12:01, Greg Merritt wrote: > > Daniel, > > Also remember that your engine's cooling ability depends strongly > on rpm. There are lots of variables, but I believe that this can be a > good reason to choose a lower gear / higher rpm combination in many > situations, since cooling is better. But you don't want to rev it so high that you freeze it. ;=) One thing to remember drive a stock T-3 automatic on hills. Momentum is everything. If you know you have a long hill coming up, speed up before you get there. I drive one everyday on my way to work, that is about 4% grade and about a mile long with a third lane for slow vehicles. I never use the slow lane, in fact I pass a lot of people on the hill, at 75mph. I hit the bottom as close to 80moh as I can. > Perhaps oil & head temperature sensors are the way to go if you > really want to know for sure. I once rode around on a hot day in a > friend's beetle with both oil & head temp gauges. The driving was mixed > between highway and stop & go. It was fascinating to compare the two > gauges under the varying conditions; sometimes both would rise, both would > fall, or they might actually move in different directions! It's too long > ago now for me to remember what we saw under different conditions. > And then again, sometimes without gauges, "Ignorance is bliss". Riding out to Parma with Keith last summer, and he couldn't figure why John J. could pass him so easy in the mountains. John wasn't watching the oil temperatures and backing off the throttle when they rose a little. -- Russ Wolfe '66 FB MT '71 FB AT '65 Bug (not running) russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org