Originally Posted by LRSTony

i tried a search but didn't find much. i'm just curious as to what my normal egt's should be while highway driving and while towing. i have an 05 excursion with the 6.0, it has a 4" exhaust all the way back, cold air kit and is running a tow tune. during normal highway driving i am usually in the low 800's but if i accelerate i will rise into the 900's is this normal? i haven't done any towing yet with my new gauge so i'm not sure of those temps are but for some reason i just thought the temps for normal non-tow driving would be lower. anyone know what the normal temps are for my application?