Hey guys. My name is Jason Im glad to be on here. I have a 2010 chevy silvarado 1500 4X2. Its a 5.3 6 speed auto with 3.08 rear gears. I have a valant cold air intake and a bullydog programer on it. Im yunnin a 2 in. leaveling kit on the front ant 2in. on the back with 33f12.50f 20s. Im wanting to change the gears. Im thinkin about the 3.90s. I run appliance service out of my truck. I also pull a 3000 to 4000 pound trailer one or two times a week. Im mostly 80%city drivin runnin service calls and I take a few long trips a year in the truck. Whats yalls thoughts? Any input would be great. Thanks