My truck is a 77 1/2 ton on a 80 4x4 frame I use it as a yard truck on our farm. It`s got a 350 with a q jet, the thing runs ok untill I want to giver alitle then it falls on it`s face. The choke dont work, the secondarys don`t open. The fuel line has a kink in it,do you guys think that would matter much.