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Technical Fatman uprights vs flipped uprights Ford shoebox

Discussion in 'The Hokey Ass Message Board' started by StefanS, Nov 19, 2021.

  1. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland

    It seems like lately I'm asking more questions than I'm answering. I guess that goes along with switching to a different brand of car that you've never worked on. So my question is, does flipping the stock uprights give the same drop as Fatmans? I have to rebuild the kingpins on my '49 so now would be the ideal time to flip them. I finished up the aerostar Spring swap last night but didn't get anywhere near the drop I expected
     
  2. oldsman41
    Joined: Jun 25, 2010
    Posts: 1,556

    oldsman41
    Member

    I’ve seen cars with both done side by side didn’t see a lot of difference but a different engine or shock or spring combo might be the factor. Not a lot of help maybe someone here has done both on same car
     
  3. eaglebeak
    Joined: Sep 17, 2007
    Posts: 1,303

    eaglebeak
    Member

    After you flip the stock uprights, you have to heat and bend them.
    Quicker and easier to buy the correct ones.
     
  4. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland

    Not so my friend. Since I have to rebuild the upright anyway it's going to be apart. If you flip the upright and then flip the spindle in the upright so the wide part stays on top, it keeps the camber pretty much factory. I also installed the upper control arm to frame camber plates so I have sort of infinite adjustment
     
  5. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland



    This video explains it all.
     
    Blues4U and Jones St. like this.
  6. 302GMC
    Joined: Dec 15, 2005
    Posts: 8,491

    302GMC
    Member
    from Idaho

    How about scrub ?
     
  7. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland

    That I'm not sure of. I never thought about it for the front
     
  8. Jones St.
    Joined: Feb 8, 2020
    Posts: 3,364

    Jones St.

    Measure what the distance is from the lower A-arm to the ground stock height. Most need a solid 4" for peace of mind after the drop.
    I have gotten a way w/3" (not this ^^make or model) on an Impala & a square box p/u.
     
  9. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland

    I'll have to measure when I get home tonight.
     
  10. Dan Hay
    Joined: Mar 16, 2007
    Posts: 6,457

    Dan Hay
    Member

    If you go with Fatman, be sure to install right away. They have a very strict return policy. I had uprights for a Buick that were past 10 days I think and they were wrong and they did nothing. FYI
     
    Blues4U likes this.
  11. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland

    That's kind of crazy that they wouldn't help you out. I have zero intention of paying 700 for uprights. I'll step the lower a-arms before I do that.
     
  12. StefanS
    Joined: Oct 7, 2013
    Posts: 1,323

    StefanS
    Member
    from Maryland

    How bad is the bumpsteer with flipped uprights and the steering arms NOT heated and bent but castor and camber dead on perfect? Anybody have actual experience trying it?
     
    Last edited: Jan 18, 2024

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