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Retro fitting a dragster

Discussion in 'The Hokey Ass Message Board' started by dwrfab, Apr 28, 2013.

  1. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    I have a customer that purchased a current JR. Fuel car from Don Scot here i the Dallas area. He hired me to retro fit it with an wider axle ,torsion bar and shorten the wheel base so it would fit his trailer. Also he wanted an old stile body with a snake head nose.
    The next thing I did was re fit it for a 426 aluminum block and change the roll bar from the modern large roll cage to a rounded cage.
    I will post several photos to go through the changes that have taken place the last month and a half.
    dwrfab Don Ross
    www.donrossfab.com
     

    Attached Files:

  2. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    The last shot above shows the new engine plate.
    I also had to modify the left engine upright to clear the 426 oil pump. He wanted a new roll cage so I bent up two new hoops on an 8.5" radius and trimmed them to fit the old rear uprights.
    The nose piece was started by bending and fitting the lower front panels. A bubble had to be welded to the left engine side panel to clear the oil pump. I made a new steering bell crank and tie rods for the wider axle.
    dwrfab Don Ross
     

    Attached Files:

  3. Nice work as always.
     
  4. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    Then it was time ti make the 1/4" plastic steering slides. On the left engine side panel I formed and welded on a bubble for the 426 oil pump. I formed the top body panels in my pyramid bender I built a few wears back and formed a flair at the front of the engine cut out and welded a reinforcing lip on to that. dwrfab Don Ross
     

    Attached Files:


  5. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    The snake head on the nose was next, it is made of several pieces of formed .040" aluminum sheet. the photos follow along as the nose came together.
    dwrfab Don Ross
     

    Attached Files:

  6. dragsled
    Joined: May 12, 2011
    Posts: 1,975

    dragsled
    Member
    from Panama IA

    Great work Don, Amazeing how different those few changes make it look, Thanks for posting,,, Tim Jones
     
  7. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    Thanks , All that is left to do now is the finish welding. Then I start back on the Jim Nicoll recreation.
    dwrfab Don Ross
     
  8. tylercrawford
    Joined: Jan 30, 2011
    Posts: 726

    tylercrawford
    Member
    from Buford, GA
    1. S.F.C.C.

    Nice!

    Never cared much for the modern looking FEDs . . . looks a lot better! :D
     
  9. Irrational Metalworks
    Joined: Feb 5, 2007
    Posts: 589

    Irrational Metalworks
    Alliance Vendor
    from DFW

  10. cracker head
    Joined: Oct 7, 2007
    Posts: 966

    cracker head
    Member

  11. 150J/F
    Joined: Jan 2, 2010
    Posts: 239

    150J/F
    Member

    Great looking work, Don...will you be at Ardmore 5/11?
     
  12. rustednutz
    Joined: Nov 20, 2010
    Posts: 1,580

    rustednutz
    Member
    from tulsa, ok

    Wow, looks much better. What 's the before and after wheelbase?
     
  13. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    Yes we will be up to Ardmore but not with this car yet.
    Don Ross
     
  14. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.


    The wheel base was 225" and we shortened to 200" with torsion bar and 44" wide axle.
    Don Ross
     
  15. PeteFromTexas
    Joined: Apr 4, 2007
    Posts: 3,837

    PeteFromTexas
    Member

    I got to see it today. I can say it is really nice! Great work Mr Ross
     
  16. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    Group:
    I picked up the blasted clean chassis this after noon. North Texas Customs in Wylie TX. 972 442 9793 or www.northtxcustoms.com. Genny was very nice to work with and also gave us the HAMB discount. A look over for any missed welds and we will be painting it gloss black.
    dwrfab Don Ross www.donrossfab.com
     

    Attached Files:

    Last edited: May 17, 2013
  17. old round fart
    Joined: Jun 9, 2008
    Posts: 134

    old round fart
    Member
    from Norman Ok.

    Did he save any money by modifying as opposed to building a new chassis?
     
  18. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.


    We don't calculate that we just do what the customer asks if it is within my capabilities.

    I am sure that all that is there that was untouched he did.

    We will know soon as I am building a complete car for him as well. It is a recreation of the Jim Nicill car that was cut in half on TV in 1970 while running Don prudhomme at the U.S. Nationals in Indy.
    dwrfab Don Ross www.donrossfab.com
     

    Attached Files:

  19. Now how would you like to have been sitting in that when it went BOOM!!!!!!!!!!! I wonder if he cleaned his pants or just threw them away :)
     
  20. dwrfab
    Joined: May 21, 2006
    Posts: 407

    dwrfab
    Member
    from Dallas TX.

    I am going to cut the original push bar and brake lever pivot off the old cage and use them on the new car. Doe's this make the project a restoration as opposed to a recreation?
    dwrfab Don Ross
     
  21. swimeasy
    Joined: Oct 17, 2006
    Posts: 1,067

    swimeasy
    Member

    I was 15 and in early high school when I saw that car get cut in half! I can still remember very plainly how D.P. swore on national TV that he would quit. I had to pick up National Dragster at Fillip automotive in San Angelo,Texas to learn that things would return to normal and that Nicoll had not been badly hurt! Cool project!
     

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