Originally Posted by MO Fred
Really glad to know 200 plus temps are not too dangerous. Hoping to get another 200k miles out of my cummins/Allison combo. Have 104k on it now. Also, I did an edit on my signature and hope it shows up below.
Your signature is nice information. You might want to find your transmission serial number and input it here:
You'll get a complete report on what it was equipped with, gear ratios, etc. You'll also find out the HP and torque limitations. My AT542 is limited to 235 HP and 445 lbs. of torque. I decided it wasn't worth my effort to increase over the 210 HP my 5.9 is rated, I'd hit the limit before any significant performance increase.