3, 4 speed question

Engine, Trans & Driveline

  1. moparsquid

    moparsquid FBBO Gold Member FBBO Gold Member

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    a friend is selling bell housings I think I know the answer but I need clarification thanks , what is the difference between a 3 and 4 speed bell housing I know the over dive (3/4 ) on A bodies had a larger bearing retainer but is it a difference in mounting bolts holes or tranny itself
     
  2. fuely62

    fuely62 Well-Known Member

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    Yes, there is definitely a difference. 3 spd is by itself as well as 63 which used a Borg Warner 4 spd. Then came the New Process 4 spd in 64 which has an even different bolt up pattern. Early 3 speeds were a New Process A745.
     
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    • moparsquid

      moparsquid FBBO Gold Member FBBO Gold Member

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      that's what I figured I remember trying to get a t85 for my 62 and thinking it was different
       
    • moparsquid

      moparsquid FBBO Gold Member FBBO Gold Member

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      did they make a universal bell that would mount both?
       
    • YY1

      YY1 Well-Known Member

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      Position of starter is completely different.
       
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