Thx all for reply's andy & jason ! I had my power booster hooked into the intake manifold, an it shuda been hooked to the carb, but the help of a member that sent me his diagram cured this after the 11 th time I looked at it....thank you very much....it did make a difference as well. Runs good now( but that's how it was hooked up when I got it , to the int.,manifold) guess that's how I got the truck so cheap ? Lol, o well, live an learn I guess....) .,...Jeff