EGT danger zone?
#3
#4
#7
I wouldn't "ride the guardrail". There can be an inaccuracy in the gauge, the probe might be deeper or shallower than it should, you're not seeing the other manifold (which can be different by 50 degrees quite easily). I would downshift/slow down to keep the EGTs below 1200... but that's me being cautious to prevent something worse than not getting where I'm going sooner.
If you're going to push it, I would get another EGT gauge. To walk the talk... I did.
If you're going to push it, I would get another EGT gauge. To walk the talk... I did.
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#8
According to International, the limit is sustained temperature above 1250* when measured in the manifold. Short bursts above that won't harm anything.
Down pipe measurements are inaccurate.
Manifold to manifold temperatures tend to stay within 50* of each other unless you have a failure on one side resulting in abnormally low on the effected side.
Down pipe measurements are inaccurate.
Manifold to manifold temperatures tend to stay within 50* of each other unless you have a failure on one side resulting in abnormally low on the effected side.
#9
I've run around 1200-1250 degrees for 20 minutes at time with no ill effects (long extended incline between Tucson and El Paso...)
I've also seen temps in the 1350-1400 range while pulling 6-7% grades at 25k lbs gross for short periods (2-3 minutes) and that hasn't caused any problems either.
Been doing this for the last 10 years or so....
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turboman24
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
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03-31-2007 01:36 PM