Have a 97 2500 4x4 with nv 4500 ...
Have had the timing moved to 16degrees btc,4 in diamond eye, full isspro guage set,bhaf and # 11 fuel plate.
Truck runs great but i tow around 17k gvw and going up fairly step inclines my egt s will go up to 1400 degrees farenheit pretty fast in 5th ...when i...