fuel tank question

[clutchbuster]

hi my name is bill, i have a 77 vett need to know if there is a blatter in my tank. the tank it self doesn't look to bad but i need to take it down to add new lines i just want to know if i will get into something i don't expect, or do i need to add a bladder too thanks

 

[chuck]

The 77 has a bladder in the tank. It should not be a problem if you are installing new lines.