Fuel Plumbing with Weber

[vt78cruiser]

I have a 2f with a Weber 38 conversion that I am trying to put back together after a frame off conversion. Is there a correct way to plumb up a weber for the return line? I don't want to smell vapor while I'm driving down the road. Before I started the frame off the weber's air cleaner was always covered in fuel. What does that mean?

All the fuel lines that are hard mounted to the body of the truck, what should I use those for? I currently have the soft line running off the bottom tank to the hard line that is bolted to the frame, to the fuel pump. Is this correct?

I have a leftover charcoal canister, fuel seperator, and all these other lines that I feel like I should be using.

Help please. Getting this truck running would be a X-mas miracle.

Cruisers= + at the same time.

 

[grant5127]

Unless the weber has a return fitting on it? none is needed..... you can plug off all fuel tank ports except of course the one needed for delivery(tank suction-bottom) and the large one from the filler neck to the tank top and run a vented cap and you can forget about that canister and other crap.....I can't imagine the air cleaner being covered with fuel, had to be running foul if that was so, sure its not oily residue caused by crankcase blow-by??

 

[webelk6]

Unless the weber has a return fitting on it? none is needed..... you can plug off all fuel tank ports except of course the one needed for delivery(tank suction-bottom) and the large one from the filler neck to the tank top and run a vented cap and you can forget about that canister and other crap.....I can't imagine the air cleaner being covered with fuel, had to be running foul if that was so, sure its not oily residue caused by crankcase blow-by??

IIRC mine(same set up) is identical to what you refer to. I am also in the same scenario, and the po did have the line plugged you are referring to.

 

[ken_79-fj40]

I have the stock vapor tank hooked up to the tank, but it's capped from there. No charcoal canister, no vented cap. The only time I have fuel vapor issues is when the tank is topped off, and even then it's minor. I've heard that these carbs need a regulator, and I ran one for years. But a few years ago I took it off and noticed no difference. But my 79 fuel pump has a return line right off it.

 

[vt78cruiser]

Would not having a vent prove to be a problem in the summer months when the air in your tank expands?