Originally Posted by thebarnyard13
Can I jump in here? I have done about the same thing. Went from 2B to 4B carb, replaced intake manifold and ditched the emmisions on my 1979 F250 and left the line to the box. I ran this way for about 1 1/2 years. I just ordered a new gas tank with out the vent so I could get rid of the line and box all together. Is that the wrong approach?
That should work if you get a new gas cap. The unvented tank requires a vented gas cap.
Marty