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Technical Best banger rear end ratio

Discussion in 'The Hokey Ass Message Board' started by youngsspeed, Apr 13, 2014.

  1. youngsspeed
    Joined: Nov 16, 2006
    Posts: 136

    youngsspeed
    Member

    I am getting my suspension sorted out and was wondering what gear ratios you guys prefer. I am running a '37 banjo rear with 4.11's the motor is a '32 4 banger with a T-5. The T-5 has the low 1st gear which is ok. The rear tire are 30 inches tall. What do you guys think? Should I change to 3.78 gears or just leave the 4.11's in?
    Thanks


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  2. 4 banger 4 life
    Joined: Jan 26, 2014
    Posts: 301

    4 banger 4 life
    Member
    from ohio

    Hell 4.11s with a t 5 would be fine behind a bange I would drive the wheels off of it
     
  3. manyolcars
    Joined: Mar 30, 2001
    Posts: 8,536

    manyolcars

    what did you have to do to get the T5 to fit the B motor and how is it connected to the 37 axle?
     
  4. denis4x4
    Joined: Apr 23, 2005
    Posts: 3,812

    denis4x4
    ALLIANCE MEMBER
    from Colorado

    I'm running a B with a CRAGAR and a T-5 with a 3:78 rear end and 30" tires with no problems. Did a 200 mile tour last month running 60-65 MPH, no sweat. My car weighs about 2400 pounds.
     

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  5. manyolcars
    Joined: Mar 30, 2001
    Posts: 8,536

    manyolcars

    OK do how did YOU do it?
     
  6. adavis
    Joined: Oct 13, 2006
    Posts: 528

    adavis
    Member

    I think 4.11's would be a low. You will pretty much waste first gear in the T5 since it is already so low. I run 3.78's in my coupe with 7.00x16's on the rear and it does great (mildly built model B motor). I can cruise at 70 no problem, but when I hit a hill I'll downshift to 4th to keep the rpm's up to spin the water pump.
    Since you already have the 4.11's in you can try it out, but I think you'll be shifting to second as soon as the car starts rolling.

    manyolcars..........I used a Dwight Bond adapter. It allows you to put an S10 T5 behind a model A/B banger using an AA bellhousing. Cool thing is you still get to use the stock model A pedals and they're in the right place.
     
  7. denis4x4
    Joined: Apr 23, 2005
    Posts: 3,812

    denis4x4
    ALLIANCE MEMBER
    from Colorado

    I used an Auto Restorations kit for my conversation and reinforced the rear radius rods. I think that adavis has a better way to do it and there are several threads here on installing the Jeep T-5 and retaining the torque tube. If I had it to do over again, I might consider the Mitchell overdrive and syncro A transmission.
     
  8. manyolcars
    Joined: Mar 30, 2001
    Posts: 8,536

    manyolcars

    Thanks for the replies. Didnt Dwight Bond go out of business?

    The AA bellhousing does not have the clutch/brake rod like the A bellhousing.
     
  9. 4bangertroy
    Joined: Dec 27, 2007
    Posts: 123

    4bangertroy
    Member
    from Phoenix

    I got an adapter from Dwight Bond a few weeks ago.

     
  10. adavis
    Joined: Oct 13, 2006
    Posts: 528

    adavis
    Member

    You are correct sir, which is why the Dwight Bond adapter is so cool. It HAS the shaft for the stock pedals, and puts them exactly in the stock location. Couldn't be easier.
     
  11. colinsmithson
    Joined: Jan 27, 2013
    Posts: 383

    colinsmithson
    Member

    T5 trans have about 6 or more different gear sets it will depend on which gear set you have
     
  12. BLACKNRED
    Joined: May 8, 2010
    Posts: 339

    BLACKNRED
    Member

    I have just adapted a Tremec 6 speed to a 33 Model B, converted the rear to a four bar type setup, running 4.11:1 36 diff converted to open drive shaft.

    Used a BB bell housing and made my own sandwich plate, AA bell housing has a different bolt pattern and shape where it meets the engine housing, gearbox pattern is the same.
     
  13. doinbad
    Joined: Sep 17, 2012
    Posts: 324

    doinbad
    Member
    from celina tn

    any pics of the adapter to put in a t5 i have one would love to put in my t
     
  14. Do you have any pictures? Where does the shifter come through the floor?
    Thanks Richard
     
  15. BLACKNRED
    Joined: May 8, 2010
    Posts: 339

    BLACKNRED
    Member

    Shifter ends up approx. 8" further back than original but still 4" in front of the seat, this is accomplished by using an aftermarket shifter plate ( $140 delivered ).

    I am in the process of choosing clutch and pressure plate.
     

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