Max sustained EGT temp?
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Junior User
Joined: Feb 2015
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Max sustained EGT temp?
Looking to tow a 4500lb travel trailer over a couple of mountain passes this upcoming week. Curious as to what is the maximum (Safe, low risk of causing damage,etc) EGT would be. The previous owner had made a red line at 1300F on the pyrometer. I know it can likely hit that temp and be okay but, for how long? If I wanna pull a grade for a fair amount of time, I'd like to know my time/temp limit.
1991 F250 Supercab 4X4
7.3L, 181K
Hypermax Turbo
E40D w/Banks Transcommand module
4.10 gears
4,500lb trailer
1991 F250 Supercab 4X4
7.3L, 181K
Hypermax Turbo
E40D w/Banks Transcommand module
4.10 gears
4,500lb trailer
Cargo Master
Joined: Oct 2012
Posts: 3,072
Likes: 48
From: California
Looking to tow a 4500lb travel trailer over a couple of mountain passes this upcoming week. Curious as to what is the maximum (Safe, low risk of causing damage,etc) EGT would be. The previous owner had made a red line at 1300F on the pyrometer. I know it can likely hit that temp and be okay but, for how long? If I wanna pull a grade for a fair amount of time, I'd like to know my time/temp limit.
1991 F250 Supercab 4X4
7.3L, 181K
Hypermax Turbo
E40D w/Banks Transcommand module
4.10 gears
4,500lb trailer
1991 F250 Supercab 4X4
7.3L, 181K
Hypermax Turbo
E40D w/Banks Transcommand module
4.10 gears
4,500lb trailer
What diameter exhaust do you have? I recently upgraded to 3 1/2" exhaust with Walker Dynamax straight thru muffler, and now it's really hard to get my EGT's above 1000*F unless it's really pulling a lot up a massive hill.
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Junior User
Joined: Feb 2015
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It has a Hypermax exhaust (3-3.5") but, I don't think it's a full exhaust. Looks to be stock and skinny shortly after the headers. I pulled a decent grade today @55/1800rpm and was pushing 1200F. That lasted about 90 seconds.
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