Been driving it like this a few days now. No weird lights, no smells, no scary engine noises. Gas mileage? Eh, maybe a tiny bit worse, but honestly didn’t buy a truck to save fuel. Watching the coolant temps close thanks to those fan changes – seems to be holding steady, fans doing their job. So far? Solid win. Truck feels like it actually wants to go now. Simple enough if you read... https://kralmod.com/diablo-tuner-5-3-performance-upgrade-tips-for-better-power/