High EGT. wow!
#7
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#9
The first time I dyno'd one of my race engines, I was terrified of doing a full power pull. 10 feet away, behind a concrete block wall and a lexan window, and seeing that little sucker run 8,000 rpm and make all of 150 hp scared the crap out of me. Seeing the headers glow bright red, the whole shmear. Then I realized that I usually did this not for the three or four seconds that a single dyno pull takes but for the 15 seconds that the back straight at Mosport takes, with the front pulley of the engine 6" behind my head behind a 1/8" thick fiberglass panel, and did it 100 times on the average weekend... I still hate dynoing engines!
Brian
Brian
#11
*cringe*
The metallurgist in me kept waiting for that turbo mount flange to explode. I wonder what kind of unobtanium they're using in that header assembly?
Note that in the "real world" of engines in vehicles, there is plenty of airflow around the exhaust to keep it from glowing bright lemon yellow. It might be a dull sooty red that you could only see in the dark; not bright enough to use for high-beams... I wonder what would have happened if they had put a box-type window fan blowing ambient air around the engine?
I've seen a turbocharged engine on a gas compressor in the field (literally; surrounded by corn stalks) whose turbo was glowing just enough to be seen in the dark.
-blaine
The metallurgist in me kept waiting for that turbo mount flange to explode. I wonder what kind of unobtanium they're using in that header assembly?
Note that in the "real world" of engines in vehicles, there is plenty of airflow around the exhaust to keep it from glowing bright lemon yellow. It might be a dull sooty red that you could only see in the dark; not bright enough to use for high-beams... I wonder what would have happened if they had put a box-type window fan blowing ambient air around the engine?
I've seen a turbocharged engine on a gas compressor in the field (literally; surrounded by corn stalks) whose turbo was glowing just enough to be seen in the dark.
-blaine
#12
I remember as a kid (12 or 14 yo) riding in my uncles ford pickup -think it was a '63, it had the bed connected to the cab, straight axle, straight 6. Anyway it wasn't running right an over heating, we made it into town pulled into a parking lot and it died. Popped the hood and the exhaust manifold was glowing bright! I was amazed. Turned out to be the body of the carb coming loose from the base, it was just running really lean.
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JHoffman93
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
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09-25-2009 09:02 PM