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Technical Gas tanks

Discussion in 'Traditional Hot Rods' started by coonpiss, Oct 10, 2014.

  1. coonpiss
    Joined: Aug 22, 2013
    Posts: 155

    coonpiss
    Member
    from NW Indiana

    Need some help, new at all this stuff and searched for a while and didn't find what I was looking for. What are the main differences in 28-29 and 30-31 fuel tanks? Eventually I'm going to go with a brookville RPU 30-31 and from what I'm told I will need to supply my own tank. I found a couple in my area and don't want to get the run around when I go look at them. Thanks, Pat
     
  2. Is it rusted? No? Good to go.

    Can get rebuild kits, or complete new fuel gauges for them that screw into the dash side of the tank.

    Not really much else to them. Pretty basic.
     
  3. 26 T Ford RPU
    Joined: Jun 9, 2012
    Posts: 12,585

    26 T Ford RPU
    ALLIANCE MEMBER

    The 28-29 tanks are not same as 30-31. Not an expert on As but I believe the early units form the top part of the firewall and the 30-31s drop down behind it. JW
     
    Lawrence Clayton and loudbang like this.
  4. fastrnu
    Joined: Feb 26, 2009
    Posts: 739

    fastrnu
    Member
    from shelton,wa

    26Ford called it ......The early tank forms the top of the fire wall. Late A's have a removable one piece firewall. 28-9 are a 3 piece cowl 30-31 are a two piece cowl. The 30-31 drops into the top of the cowl. 28-29 the tank bolts to the lower cowl which both bolt to the windshield/A post. late A is wider. I have both in my albums. If you would like a closer look.
     
    26 T Ford RPU likes this.
  5. acme30
    Joined: Jun 13, 2011
    Posts: 302

    acme30
    Member
    from Australia

    These guys are spot on - but just to clarify (in case you are not sure) 28/29 tank is definitely not interchangeable with 30/31.

    But also Brookville make a panel that takes the place of the fuel tank - you could use one of those and use an aftermarket tank and fit it elsewhere eg behind the seat.
     
  6. coonpiss
    Joined: Aug 22, 2013
    Posts: 155

    coonpiss
    Member
    from NW Indiana

    Thanks guys, I will let you know how it goes.
     
  7. HOTRODPRIMER
    Joined: Jan 3, 2003
    Posts: 64,735

    HOTRODPRIMER
    ALLIANCE MEMBER

    This is the way to go,,having a gas tank in your lap is not the best way to go in these days & times. HRP
     
    lothiandon1940 likes this.
  8. scrap metal 48
    Joined: Sep 6, 2009
    Posts: 6,128

    scrap metal 48
    Member

    I don't think you can put the gas tank behind the seat in a RPU, maybe in the bed but not behind the seat...
     
  9. HOTRODPRIMER
    Joined: Jan 3, 2003
    Posts: 64,735

    HOTRODPRIMER
    ALLIANCE MEMBER

    You got that right,a guy would have to be pretty skinny & short to pull that off. HRP
     
  10. coonpiss
    Joined: Aug 22, 2013
    Posts: 155

    coonpiss
    Member
    from NW Indiana

    Got some pics so you guys can ***ure me that this is a 30-31 tank. How many different dash plates are there, the one I picked up doesn't fit and I didn't try it until I got back to valpo.
     

    Attached Files:

  11. That dash panel is '28 - '29, the '30 - '31 speedo is round.

    I also have heard of the '30 - '31 tanks having a round gas cap, not the one with flat sides on the '28 - '29.. and they may also not be a screw on, but that one someone else will have to clarify.
     
  12. 26 T Ford RPU
    Joined: Jun 9, 2012
    Posts: 12,585

    26 T Ford RPU
    ALLIANCE MEMBER

    That tank looks 28-29 and I believe that only the 31 had the round speedo. JW
     
  13. 1931fordtruck
    Joined: Jul 6, 2013
    Posts: 347

    1931fordtruck
    Member

    Without seeing the back of the gastank, i cant tell you what year it is. The guage cluster is not a '31. The '31 is a different design and has a round speedo. Im thinking a '30.

    Streetrods are drivin' by Chevy, Hotrods are powered by Ford!
     
  14. 1931fordtruck
    Joined: Jul 6, 2013
    Posts: 347

    1931fordtruck
    Member

    Yours should fit a '28-'30. Im thinking early '31 aswell. It was April of '31 when the design changed with the fuel shut off, column mount, and guage cluster design. Went in full production May of '31. The fuel shut off went to the outside of the firewall. The column mount came off the gas tank and mounted to the dash rail support. The speedometer went from an oval to a round design.

    Streetrods are drivin' by Chevy, Hotrods are powered by Ford!
     
  15. coonpiss
    Joined: Aug 22, 2013
    Posts: 155

    coonpiss
    Member
    from NW Indiana

    Had some issues loading this photo, hopefully this will help. Thanks, Pat
     

    Attached Files:

  16. 31Apickup
    Joined: Nov 8, 2005
    Posts: 3,627

    31Apickup
    Member

    That's a 30-31 tank
     
  17. Fenders
    Joined: Sep 8, 2007
    Posts: 3,921

    Fenders
    Member

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