gas tank replacement
Postmaster
Joined: Jul 2001
Posts: 4,956
Likes: 10
From: MD
Only if your truck has cataylst & EVAP. It being a '78 F100, it does. The gas tank vent hose goes to the charcoal canister on the passenger's side frame below the battery.
The non-vented & vented gas tanks are whole different animals.
The non-vented & vented gas tanks are whole different animals.
Elder User
Joined: Jul 2008
Posts: 522
Likes: 0
From: South Central PA
Regular hoses will soak up the feul and become gummy, bloated if you will, and then tear easily. I didn't just hear this from someone, I did it with my feul lines. Not cool. Brake fluid also does this to any sealing material except for natural rubber. Found that out the hard way too. You can buy the right stuff through LMC or others. They didnt sell these yet when I needed them but I used to work for a hydraulics repair shop and used some aeroquip suction hoses we just had laying around that were rated for gasoline so mine didn't cost me anything. If your around heavy equiptment or other hydraulics, you could maybey scrounge some up.
Laughing Gas
Joined: Dec 2007
Posts: 796
Likes: 1
From: Minnesota
I put in the 38 gal. tank in my truck with not vent on top and the infeed tubes where diferent like yours. If I would do it again I would cut a hole on top an vent it to whatever. But what I did was tee off the smaller fill line and vent that to the inner space between the inner box and the outer box. That doesn't work too bad. IT is slow to fill but I think that would happen with the regular fill anyway. It was opposite like your setup, but you can plub it to the otherside, no problem. I would use fuel line though. Been over 10 years like that in my truck, working good.
Senior User
Joined: Jul 2004
Posts: 109
Likes: 0
From: Fayetteville, Ar
Orielly's isn't cheap either. Just recently replaced my tank but went with a plastic one from MTS company. They sell staps and sending units, etc. Here is the web site MTS COMPANY, L.C. - Plastic fuel tanks for Jeep, Ford, Chevy, Scout, ******, and Toyota just copy and paste it in your browser.
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Elder User
Joined: Mar 2008
Posts: 738
Likes: 1
i found out why my filler tubes are backwards,...apparently it depends on if you have the valve on top....i didnt realize that i was buying one without the valve, oh well i got it figured out anyway
Senior User
Joined: Jun 2008
Posts: 205
Likes: 1
I just ordered a new tank for my 75 truck without the vent/valve on top at Advance and it's going to cost $112.00. Not too bad. I'm going to get a new sending unit but the best price I found on them was at Advance for $65.00. Are there any cheaper prices out there?
Senior User
Joined: Jul 2004
Posts: 109
Likes: 0
From: Fayetteville, Ar