i am trying to buy a car trailer that i can use to haul around my custom truck plus my weekend truck if i want to go on a long trip. now my problem is i dont know how wide my truck is and my truck is 1400 miles away. can some one tell me how wide a 1978 chevy truck is?? but i am gonna run 15-17 inch wide tires. can some one measure from outside sidewall to sidewall for me also on a set of 12.5 iwide tires to since i have a set of those to? also wheelbase i cant remeber what the length is, on a long wheelbase??