hey guys im not very good at the rear end gear ratios and stuff so im seeking some advice or help on what gearing to order for my truck, its still me daily driver and mods are in my signature, main thing is its pushing the 35x12.50s on it so trying to find something suitible for my truck . im not 100% on what my truck had now but ive been told it has the 3.73 in it,how can i find out what gears i have?