3/8 return line into 240z fuel sending unit

[getZ]

I couldn't find the post for this, it was a side topic in a posting a while back about putting a bung in the fuel sending unit on a 240z tank to use as a fuel return line.

 

Well I did it. I'd post the pictures if I could figure out how to attach the pictures.

 

First, it sounded easier then it was. The space to put the hole is not very big. Unless you want to relocate the tack weld that the lever arm is mounted, the spacing leaves little room for error not to mention the chance of breaking something is very good. I used an air tool inlet as a bung and welded it on to the cap after cutting the quick disconnect end off. Another point in doing this keeping the unit cool while you weld so you don't melt the solder (which can easily be resoldered if you unsolder or break it). One other point, I drilled the fitting out as not to be restrictive.

 

I thought about using a pipe threaded AN style fitting, but getting a jam nut on the back is really tough.

 

My car came from Tuscon if your car has a lot of rust I think getting the sending unit off is next to impossible.

 

If you are looking for an easy way to create a return line you might think about using what some of the mustang guys were using to convert the early fox bodies over to fuel injection. A short section of pipe with a bung welded on it and clamped the fuel inlet pipe at both end, much simpler at least without actually trying it. It took me about a day to finish mines, including droping the tank.