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1929 Ford Model A- Is it nessecary to change rear end

Discussion in 'The Hokey Ass Message Board' started by noblebeidoun, Apr 15, 2013.

  1. noblebeidoun
    Joined: Nov 3, 2012
    Posts: 25

    noblebeidoun
    Member
    from Michigan

    Hey guys, weve been doing alot of thinking, and we are changing the engine and trans of our car, however the engine is going to be a 95HP 4 cylinder in front of a five speed trans. My question is, is it even necessary to change the rear end? we wanted better brakes but couldn't we just update the current because the power of the engine isnt exactly strong.
     
  2. pasadenahotrod
    Joined: Feb 13, 2007
    Posts: 11,776

    pasadenahotrod
    Member
    from Texas

    If you can hook up the 5-speed to a MOdel A torque tube, sure, why not.
     
  3. olskool34
    Joined: Jun 28, 2006
    Posts: 2,361

    olskool34
    Member

    I would say you could keep the A rearend, and convert it to open drive. Just add some ford juice brakes or better yet some lincoln style bendix brakes. The A rear end should handle the power just fine.
     
  4. Olderchild
    Joined: Nov 21, 2012
    Posts: 476

    Olderchild
    Member
    from Ohio

    Your rear end will last as long as you don't do a bunch of burn out's as for the bakes go to the archives they have all kinds of threads on brakes good luck...........jack
     
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  5. noblebeidoun
    Joined: Nov 3, 2012
    Posts: 25

    noblebeidoun
    Member
    from Michigan

    yeah we wanted to keep it original. We will not be making her built for speed, but we wanted good brakes because this car will be driven as a daily driver.

    So keep the original rear and beef her up ya think?
     
  6. alchemy
    Joined: Sep 27, 2002
    Posts: 14,076

    alchemy
    Member

    Are you an experienced fabricator?

    Do you know how to hook your 5-speed to the torquetube? Somebody made an adapter for T-5's, but I think it's big bucks. And I think you still need to shorten the TT.

    Or, if you want an open driveshaft, adding open drive to the original A rearend is a dumb idea. Lots of dollars and you still have a weak rearend. Better to do a '40 rear. But then you'll need to add new spring mounts. And what are you going to do with the wishbones?

    If you are not an experienced fabricator, I'd suggest getting a Pete & Jakes catalog, and using their parts to install a later Ford 8-inch rearend.
     
  7. My suggestion would be to go to fordbarn.com and ask what people are doing for rear ends when they go to overdrive transmissions that require an open drive. Maybe there are closed drive conversions for some of the late transmissions. Just don't mention you are changing the engine unless you want to get a debate started. For your info I am running a 4 cyl, 181 cubic inch Mercruiser marine engine in my '32 Ford which has internally the same rear end as yours. I adapted to a '39 transmission with a standard speed shop adapter and retained the closed drive. If I had it to do over again I would have put a high quality rebuild on the original engine, added a little speed equipment and drove it.



    Charlie Stephens
     
    Last edited: Apr 15, 2013
  8. young'n'poor
    Joined: Jan 26, 2006
    Posts: 1,276

    young'n'poor
    Member

    My suggestion to you, after seeing some of your other posts, is to use the 8" rear you said you have and find some plain Jane steelies to use. 15" wheels from a 49-51 ford car are nice and narrow and the right bolt pattern for that 8". Then put some 15" inch wheels on front since I'm assuming you'll be upgrading the front brakes also.


    Posted from the TJJ App for iPhone & iPad
     

  9. Yeah, be careful over at Fordbarn.com, some of those guys get heartburn real fast.


    There is a company Auto Restorations in Muncie, 800-955-3139 that sells a kit for $895. There is another company Cling's in Tempe, Az I think has one too. Their # 480-777-1202. Hope this helps.
     
  10. myke
    Joined: Dec 13, 2004
    Posts: 2,134

    myke
    Member
    from SoCal

    He speaks the truth. I am pretty sure some one sells model a spring mounts that are weld on. You will prob have a hard time finding a narrow enough rear end if you switch. Even a 40 is a couple inches wider if I remember right.
     
  11. olskool34
    Joined: Jun 28, 2006
    Posts: 2,361

    olskool34
    Member

    There is no need to run a v-8 rear end with a 95 horsepower motor. Just treat it nice and it will do just fine. The conversion kit to make the A rearend an open drive is not that bad and adding brakes is fairly easy. Don't ruin it with a late model rear end as those are very visible from the rear if you are trying to stay traditional. I know the engine isn't but it is also under a hood.
     
  12. noblebeidoun
    Joined: Nov 3, 2012
    Posts: 25

    noblebeidoun
    Member
    from Michigan

    anyone know where i might find the adapter for the T5 to the torque tube?
     
  13. motorcade 1
    Joined: Jun 25, 2010
    Posts: 57

    motorcade 1
    Member

    Go to the April Banger Meet its all there.
     
  14. brokenspoke
    Joined: Jul 26, 2005
    Posts: 2,874

    brokenspoke
    Member

    ^^^^what he said
     
  15. Nailhead dodge roadster
    Joined: Jun 28, 2004
    Posts: 707

    Nailhead dodge roadster
    Member
    from Cheney Wa

  16. Olderchild
    Joined: Nov 21, 2012
    Posts: 476

    Olderchild
    Member
    from Ohio

    If you go t5 don't forget Flat Ernie has all the info. on them . I'm going t5 juice brakes and my banger but that's my car. descisions ,descisions:rolleyes:
     
  17. denis4x4
    Joined: Apr 23, 2005
    Posts: 3,267

    denis4x4
    ALLIANCE MEMBER
    from Colorado

    As the owner and builder of a Model A with a T-5, B engine with an original CRAGAR head, stock A reared with hydraulic brakes and an open drive shaft, I'm here to tell you that there's no problems. Here are some pictures of how we beefed up the stock rear wishbone and modified the cross member.
     

    Attached Files:

  18. Tom Pryor
    Joined: Dec 9, 2008
    Posts: 1

    Tom Pryor
    Member

    THIS POST IS SPECIFICALLY FOR dennis 4X4. Could you post more pics on your Model A with a T-5, B engine with an original CRAGAR head, stock A reared. I liked your modification to the cross member. I picked up an additional crossmember for cheap and plan to modify it for my install. I'm using a mustang t-5 like yours shown in the April 26, 2013 post. I would appreciate more pics of the trans, driveshaft, banjo differential details, eh?
     

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