i have an early 07 lbz duramax. i tow all the time i need to get my egts lower idk what to do. mods are egr delete, ppe stage 5 tranny, efi live tuneing, air dog 150, and other little stuff. on stock level towing gooseneck and another 5-10 k on it on the stock level i get above 1300 to 1400...