i installed my pyro, boost and tranny gauge a few weekends ago

pyro works, the hottest i have seen is 1100.. highest boost is ~24psi

the tranny gauge rests around 100*. the hottest i have seen is 140. i have a DTT tranny but i still dont think this can be right.. the sender is installed in the test port, where the diesel shop reccomended

 

All your numbers sound fine to me. Your trans probe should be in the hot line going out to the cooler. Otherwise you are just getting a running average of the pan temps (no good).