so i have had this best of a truck for 6 years now with the dam 3slow... i have put a new motor in it and then had to do the head gasket and i have changed out JUST about everything and she dose not have a check engine light on and she is deff not running at 100% specially first start up runs like garbage but after a wile she runs better but still get random missing and a idle that changes every time i stop from 500 to 1500 and any wear in-between any ideas????

 

Check for vacuum leaks and timing.

 

will do just fixed the exhaust leek that has been driving me nuts i will go check for van leaks and any advice with u joint i think mine are bad... with ones to get?