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Projects Buddy wants to make a "speedster", what rear?

Discussion in 'The Hokey Ass Message Board' started by hotrod54chevy, Jun 29, 2017.

  1. hotrod54chevy
    Joined: Nov 7, 2003
    Posts: 1,589

    from Ohio

    Friend of mine says he's got a '20s Ford frame, wants to make a lightweight car, "basically like a motorcycle, but a car" he says? Anyway, he said he wants to put a 4 cylinder Ford motor in it (?) and he's looking for a rear end. I've no idea if he's making it OT or not, but I figured it had to be kinda close to my interests since he was asking for my advice. Sadly, Ford parts are a little outside my realm of expertise. He said he doesn't want a 9 inch (damn, only Ford part I know!) because he doesn't need it to be bullet proof, seems he's more concerned about weight. Anyone have any ideas or suggestions or a clue what he was talking about? Thanks!

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  2. flatheadpete
    Joined: Oct 29, 2003
    Posts: 9,672

    from Burton, MI

    Ford Banjo rearend. Depending on power output, 1935 or newer. The older rears aren't as strong.
    hotrod54chevy likes this.
  3. aaggie
    Joined: Nov 21, 2009
    Posts: 2,529


    The Ford Banjo rear is the traditional choice but if your friend just wants to build a light and fun car then the choices are endless. Go down to your local Pull-A-Part with a tape measure and look around to find something in your width range. If he wants a four cylinder Ford engine from an A or B then you have to consider what transmission options are available. I have seen several fun little roadsters built with Pinto engines that were scary fast and cheap to build.
    dan c and hotrod54chevy like this.
  4. bct
    Joined: Apr 4, 2005
    Posts: 3,086


    I'd consider an older datsun rear with the Chevy 6×5.5 . The old Chevrolet wires and even disc wheels are cheap and pretty stout.
    hotrod54chevy and Atwater Mike like this.
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  5. Atwater Mike
    Joined: May 31, 2002
    Posts: 10,013

    Atwater Mike

    ^^^Good call on the Datsun rear, bct. And, the early Chevy front axles are nice, factory drop, and narrow.
    Semi elliptic fronts would round out the platform nicely, especially if a T rear spring was used. (3 springer!)
    I've seen more Chevy 6 lug wire wheels lately than ever before...and they look good!
    hotrod54chevy likes this.
  6. Gear ratio in a Datsun or related rearend will be a very low ratio----typically 4.10 and deeper. The related driveshaft components can get hairy on how to come up with a common tube size to get from domestic to Jap. True Mazda is even worse--not Ranger with Mazda badging.
    On a Ford Ranger rearend, the ID tag will clearly state what gear ratio, and easy to find the components to make the driveshaft work. A larger V6/auto truck would have a faster ratio rearend.
    As stated, the eyes go to a banjo Ford because of appearance.
  7. southcross2631
    Joined: Jan 20, 2013
    Posts: 3,663


    How about a quick change. They can be had narrow enough and nothing says old school like a quick change and run early ford wide 5 wheels all around.

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