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ironb12s
Guest
On a more serious note, I used to ride in MD, and went to the annual airshow at AAFB many years ago. I was stuck in the show traffic for at least 30 minutes, and my GS has no oil cooler. The ENGINE got so hot that I saw smoke rising off of any oil leaks at the valve cover or on the head.
Many years later, when I was replacing the exhaust system, in CO, I had busted one of the header studs, and had to pull the engine out. When I got it all back together, she wouldn't start, so I checked compression, didn't have much. To make this story short, when I pulled the valve cover and head off, I found no signs of that VERY hot day at the airshow. What I did find was carbon all over the rings and in the combustion chamber. So, running the 1979 carbs (non-CV) without rejetting at altitude did more damage than running it hot at near sea level. Now, Suzi is all in pieces for a complete rebuild.
Many years later, when I was replacing the exhaust system, in CO, I had busted one of the header studs, and had to pull the engine out. When I got it all back together, she wouldn't start, so I checked compression, didn't have much. To make this story short, when I pulled the valve cover and head off, I found no signs of that VERY hot day at the airshow. What I did find was carbon all over the rings and in the combustion chamber. So, running the 1979 carbs (non-CV) without rejetting at altitude did more damage than running it hot at near sea level. Now, Suzi is all in pieces for a complete rebuild.