ok i have an 87 b2000 and i just picked it up from some older guy he said its been sittin in his yard for few years and said the harmonic balancer needed replaced i doug into it lil and fixed the problem timing belt is in time its getting spark and its gettin fuel . i also drained fuel and put new fuel in it and has compression on all four cylinders idk if the carb needs rebuilt or if its worth buying a weber carb kit if any one can help me in any way please please do thanks in advance also i noticed my electric choke isnt hooked up and ther some open vacuum lines and its also like 30 degrees where im at so idk if thast why it wont start