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I noticed the tank had 4 vents on it with lines that just go right to some kind of block right above the tank. I didn't look hard, but it looks like they go just to that and thats it. is that right?

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From the sending unit it I have one line that comes out and goes up front. 5/16 it seems (original 318 car) and the connector for the gauge I am assuming and then a ground strap.

I thought there was a return as well? or am I confused?

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so can I just get the replacment tank, hook up the 4 vents back to those old lines, put in a new fill tube grommet and ride?

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of course run new fuel line up front.

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if I am going to run new line up front I should probably get a sender with a 3/8 pickup right? this car will see either a 440 or possibly a 493 in about 6 months. there is no difference in the senders other than the line size right?

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the sending units are the same but a 440 sender will have a 3/8" pickup and a second return line nipple.

Sweet car.

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I put a 73 gas tank in my 74. Those 4 hoses on the top, I just capped them off, then had to run a vented gas cap so vacuum would not build up in the tank. I capped off the vapor cannister and junked it as well. Was originally from a 318 car so it never had the provisions for the vapor seperator. I have heard of some guys soddering in a 3/8" fuel pickup line into their original 5/16" pickup assy to do it on the cheap. Have read enough stories from guys on here having trouble with the aftermarket fuel senders that modding a stocker doesn't sound like a bad idea.

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Just a note. Varnish will look like rust. I had a guy give me a tank he swore was rusted and a little carb cleaner and it was good as new.

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Thanks. This ones is bad and had a hole as well. I emptied large chunks of rusty crap out of it.

just ordered all the replacement stuff a few minutes ago.

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Good luck with it. I bought a new spectra premium gas tank for my car. Another 73 tank, still sitting new in the box, will be in the car by spring. My 73 tank that I swapped in is pretty beat and leaks around the fuel neck because I accidentally wallowed out that hole trying to get the neck out 8 years ago.

Also, test out your aftermarket fuel sender with your multimeter before you install the tank. Put the sender in and attach the multimeter, take a reading. Then flip the gas tank over and take another reading. You want close to 10ohms full/73 empty. Don't be too surprised if you need to tweak the rod going to the float to get the readings within range.

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