Hey guys how are you doing Jose here from El Salvador, Im new in the forum first time posting, I need some help from you, I just bought my first cruiser its a 81 fj45 and I want to get new MT tires but I was wondering whats the biggest tires size that I can get with stock suspenssion I will be using this truck for going on tails going throu some deep mud terrains in the rainy season, thanks in advance for all your help and advises.