JDJohnDeere
Member
Anyone ever happen to see the exaust on a 1066 glow deep red? Its happend to me a few times and I enjoy plowing at night even more :lol:
don't know why one should be surprised to see a red exhaust manifold. Iron will glow red at 800F and typical exhaust gas temperatures are in the range of 900 to 1200F when working hard.(quoted from post at 12:26:26 05/19/09) Don't know much about diesels, but if a gas engine did that, the fuel would be too lean... learned that while late model racing (along with "a hot header looks just like a cold one" :shock: ).
I believe you. I've seen manifold, pipe, and muffler all glowing as if an oxy/acetylene torch had been on them with a rosebud.. I also concede that there might have been something wrong with air/fuel, timing, /, but it was running good & pulling strong & has been ok since then. But what do I know? :roll:(quoted from post at 14:06:15 05/20/09) Would it help if I mentioned I was plowing at the time in hard packed dry soil?? And the fact that it was about 40*F
Unburned, vaporizing fuel is a 'coolant'. If you want 'hot', run the sucker lean.(quoted from post at 22:54:21 05/21/09) We had a 1066 that was putting out about 300 horse with roughly a stock fuel setting, the block was decked, and we were told the turbo had the wheels in it for a 466. She sucked back less fuel than our stock 1066, and would slip the PTO clutches before it would slip the slip clutches in the 881 CIH chopper we ran with it. And it never pushed flame out the stack.
My uncle fiddled with some of the settings (high idle maybe) on the pump on the 756. It would push flame at night but the manifold and stack never glowed.
On our 1566 we put the fuel to it til it ran the Gehl 1275 (?) chopper better than the 3788 did the day we blew apart its pressure plate. It would blow a column of black smoke about 40 feet in the air, about a foot and a half diameter, chopping on a cool still night. It never pushed flame and the manifold/stack never glowed on it. That should have had a set of 466 heads on top of a 466 turbo, it is a wonder we didn't melt it down with all that fuel and not pushing any more air in with it.
More airflow, even without increased manifold pressure, or increased manifold pressure with the same airflow, makes for lower EGT. And more pressure with more airflow is even better.
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