Vent lines for fuel returns on EFI?

[casadejohnson]

I was searching the archives for this info but I'm not finding what I need. (Maybe I'm not looking in the right place) Anyway, I thought I had read somewhere that I can use my vent lines on my stock fuel tanks as return lines for my EFI fuel line setup. Has anyone else done this? Any disadvantage to pulling out the vent system. I know that alot of people pull the vent system out. I still have mine in place but I'm not even sure it works properly. What do you guys think about doing this?

Thanks,
Jeremy

 

[g-money]

Not exactly sure this answers your question but I have heard of people putting a 'T' in the vent line as teh return for the EFI.

Galen

 

[Howdy]

My main tank is an aftermarket 23 gallon tank and alreay had the ports to hook up a return and vent lines. For my aux tank I just took out the filler tube and drilled it for 1/4 NPT barbed fitting.

 

[broncobill]

vent lines

i found an early 90's mustang pump fit in my stock tank but i can't remember how the vent worked. i will ask my brother tomorrow and get back to you

 

[roundhouse]

I just put a T in the vent at the tank return, used the stock fuel line for the return.
although its better to use steel lines, I used rubber.

 

[SaddleUp]

I added a T to the filler vent tube going to my rear tank. (Not the purge line as it didn't have one) In the front tank I soldered another fitting in the sending unit. I've since removed both and put a 24 gallon BCB tank in that already had fittings for it.

 

[eb66to77]

I added a T to the filler vent tube going to my rear tank. (Not the purge line as it didn't have one) In the front tank I soldered another fitting in the sending unit. I've since removed both and put a 24 gallon BCB tank in that already had fittings for it.

Duff front tank that had the port in it and I soldered in a new return line to the sending unit flange right next to the original line for the return. It works great. I use all ruber lines without a problem.