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Technical What rear axle

Discussion in 'The Hokey Ass Message Board' started by Lkfflk, May 5, 2024.

  1. Lkfflk
    Joined: Mar 21, 2017
    Posts: 53

    Lkfflk
    Member

    I’m building a 47 ford coupe looking for suggestions on what would be the best modern rear end to swap in it I’ve heard 2000 ford explorer would work
    Looking for suggestions
     
  2. lemondana
    Joined: Feb 21, 2009
    Posts: 289

    lemondana
    Member
    from Lincoln NE

    A lot of people are using the Ford 8.8. They are strong, available in many ratios, Limited slips, disc brake versions, and quite a few widths. I think there is a chart on one of the Ford Ranger forums.
     
  3. The truck open banjo rears are a great modern rear end
    Tri 5 chevies are about 1/4 inch wider
     
    Moriarity likes this.
  4. Best fit are the early Broncos.
     
  5. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,414

    gimpyshotrods
    ALLIANCE MEMBER

    If you can find one.
     
    Budget36 likes this.
  6. Mr48chev
    Joined: Dec 28, 2007
    Posts: 35,639

    Mr48chev
    ALLIANCE MEMBER

    The old Hotrod Works page says 42/48 rear axle is 61 inches wms to wms.
    Still factors to consider:
    bolt pattern matches what you intend to do for front hubs.
    Wheels/ tire size and offset of said wheels that you intend to run.
    Are you willing to tub it if you have to to accommodate a narrower rear axle?
     
    Bangingoldtin likes this.
  7. ^^^^ what he said. In addition to that, how much HP is planned, and how much pinion offset can you stand? At 61", Ford full size cars 64-71 are that width, and used mostly the 9" rear with no pinion offset. 1967-70 Mustangs are close, but mostly 8" rears with no offset as well. 1999-2003 Ford Explorer 8.8 offers disc brakes, but a bit narrow at 59" or so, and a 2" offset.

    Edit: the 1994-2004 Mustang 8.8 is listed as 61.25" and IIRC, the pinion is centered.
     
    Last edited: May 6, 2024

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