My engine is ready to be reinstalled after being rebuilt by an engine builder. We made it a 461 stroker and can't wait to feel the difference from the stock 400! To say I'm an amateur at this type of job is an understatement. My Question is about the vacuum lines. I want to delete everything I don't need. My engine builder did what he did but I need to know what I need to keep. My car is a1979 Trans am with pontiac 400. It is a 4spd car with 4 wheel disc brakes and air conditioning. I've owned this car since 1987. It is probably going to be a little while before I install it. Ive been waiting for the exhaust manifolds for over 4 months now and keep getting the run a round from ram air restorations! Also waiting for over a month for the air conditioning parts. Any help with the vacuum lines would be greatly appreciated. Thanks, Ted.