When you remove the fuel pipes from the leak of ports did you block off the pipes? If not then it'll fill with air and do what it has done. I usually wrap ptfe tape on mine but you can buy the right kit which will have blanks that plug in.
Make sure it all goes back correctly and maybe look at the fuel filter and fill it to the top. That's unless the connect has a strange setup in which case you'll need to either prime it or keep turning over but don't burn the starter out
56 350 2.2 130ps mk7 with 2 side doors
65 290 2.2 125ps custom with 2 side doors
07 350 170ps
Ids v86 licence + v86.04 update + xprog
hereIds map
here