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The width of a 46 Ford coupe for 9 inch rear

Discussion in 'The Hokey Ass Message Board' started by Waterboychuck, Dec 15, 2012.

  1. Waterboychuck
    Joined: Feb 27, 2012
    Posts: 44

    Waterboychuck
    Member

    I bought a 46 Ford coupe and I want to install a 9 inch Ford rear end. What I'm looking for is what width rear end do I put in. The rear end that's in the car is out of a Falcon, which is too narrow.

    Any suggestions?

    Thanks
     
  2. John Lafayette
    Joined: Jan 15, 2011
    Posts: 95

    John Lafayette
    Member

    My '48 ford had a rear out of a '59 Ford wagon. The car is gone so I don't know the specs. , but it was a perfect fit.
     
  3. Jimv
    Joined: Dec 5, 2001
    Posts: 2,924

    Jimv
    Member

  4. zibo
    Joined: Mar 17, 2002
    Posts: 2,361

    zibo
    Member
    from dago ca

    I just put an 8" in a 40 coupe,
    and a 9" in another 40 coupe.
    Both were from 68 mustangs.
    They fit perfect with junkyard rims.
    The '46 is a bit wider but should be a good fit.
    TP
     

  5. okiedokie
    Joined: Jul 5, 2005
    Posts: 4,798

    okiedokie
    Member
    from Ok

    72 Mustang in my 46, believe it is 60".
     
  6. thatredcaroutside
    Joined: Mar 20, 2004
    Posts: 303

    thatredcaroutside
    Member
    from Decatur,AL

  7. Early bronco is the right width and still has the 5 on 5.5 bolt pattern.
     
  8. I used a Granada rear, 8", it's 58-59 inches wide. Running a 7" wide rim, everything clears great.
     
  9. Waterboychuck
    Joined: Feb 27, 2012
    Posts: 44

    Waterboychuck
    Member

    Thanks for all links to the charts. That will help a great deal.
     
  10. scrap metal 48
    Joined: Sep 6, 2009
    Posts: 6,088

    scrap metal 48
    Member

    I'm a firm believer of placing the tires and wheels you're going to use in the wheel wells exactly where you want them and then sticking a tape measure through one side to the other and make the rear exactly the width you need, or at least you will have an idea what rear end you need...
     
  11. flatout51
    Joined: Jul 26, 2006
    Posts: 1,217

    flatout51
    Member

    Use a 1957-1964 f100 rear. It is exact same width as stock and has 5 on 5.5... 61" if i remember... I just.put one in my 46 coupe.
     
  12. X2.
    By picking a rearend before choosing wheels & tires, you're unnecessarily constraining your wheel & tire options.
     
  13. Pewsplace
    Joined: Feb 10, 2007
    Posts: 2,795

    Pewsplace
    Member

    I use a 59 1/2" with a 8" wheel and 255x70 bfg.
     
  14. flatout51
    Joined: Jul 26, 2006
    Posts: 1,217

    flatout51
    Member

    If you are using stock wheels and tires the truck is perfect... Those wide wheels just look dumb on fat fendered Fords... Run 16x4s with 6.00 16s.... Just my opinion.....
     

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  15. fordor41
    Joined: Jul 2, 2008
    Posts: 1,018

    fordor41
    Member

    '70 Ford Torino 9" under my '41 Ford. Same as a '46-48. 235/75R15's on rims with 3.5" offset. Tires clear fender lip by about 1".
     
  16. sdroadster
    Joined: Jul 27, 2006
    Posts: 427

    sdroadster
    Member

    I just went to the local Pick A Part and found a 1967 Ford F150 rear end. It is a 9" that measures 61.25 inches drum to drum. A stock 42-48 rear end measures 62.5 so the new 9" is 1.75 narrower. The brakes on older rear ends are narrow and look inefficiant. I pulled the backing plates, brakes, and and drums off a 71 Econoline van and switched them out in the junk yard. The new drums and brakes are much wider with self adjusting brakes. Found two differentials a 2.75 and a 3.25. I'll put the 2.75 in when we go to Bonneville next year.
     
  17. millersgarage
    Joined: Jun 23, 2009
    Posts: 2,301

    millersgarage
    Member

    I've got an early Bronco rear in my'47
     
  18. Chopped 46 Ford
    Joined: Oct 5, 2009
    Posts: 54

    Chopped 46 Ford
    Member

    I've got an 8.8 rear out of a 95 mustang. Fits great! Had custom rims built for it, to fill the fender well just right.
     
  19. Gman0046
    Joined: Jul 24, 2005
    Posts: 6,256

    Gman0046
    Member

    Use a 10 bolt Chevy rear and a Chassis Engineering spring kit. Fits perfectly and is the easiest way to go.
     
  20. BigChief
    Joined: Jan 14, 2003
    Posts: 2,084

    BigChief
    Member

    Got a '68 Mustang/Cougar 8" in my '48 Tudor Sedan. Fits like it belongs there.
     

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