Possible a piece of trash entered the float valve when the fuel line was re-installed or the float needle valve is bad, I'd re-clean and replace the needle valve then run it till it blows.....
Originally Posted by piston slapper
You never learn anything until you admit you don't know it all...
"Why go out preserved when you can go out beat up, worn out, sliding in sideways screaming, Holy Sh!t What A Ride" !!!