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    Author Topic: 727 questions  (Read 776 times)

    Offline Nate10

    • Jr. Member
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    • Posts: 20
    727 questions
    « on: July 28, 2007 - 03:25:26 PM »
    I know this sounds like a newbie question but I am new to the mopar and need some help.

    Are all 727 trannys the same?

    I am putting a 6.1 hemi in my 70 challenger and want a 727 auto which one should I be looking for?  Any and all help is appreciated.  Thanks.
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    Offline tactransman

    • Sr. Resident
    • ******
    • Posts: 5401
    • 1973 Challenger- Member here since April 14, 2006
    Re: 727 questions
    « Reply #1 on: July 28, 2007 - 03:44:21 PM »
    I believe the 6.1 has the same bellhousing as a small block. If so,you need a small block 727 with a 4 clutch direct drum and a regular car tail housing. Do you want a Lock Up or a Non Lock Up?.
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    Terry-tactransman 
    Torqueflite/Automatic Transmission Specialist
    Union, Mo.
    Give a man a fish and he eats for a day,teach him to fish and he eats for a lifetime.

    Offline Nate10

    • Jr. Member
    • **
    • Posts: 20
    Re: 727 questions
    « Reply #2 on: July 28, 2007 - 03:48:33 PM »
    what is the difference between the two
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    Offline tactransman

    • Sr. Resident
    • ******
    • Posts: 5401
    • 1973 Challenger- Member here since April 14, 2006
    Re: 727 questions
    « Reply #3 on: July 28, 2007 - 04:04:26 PM »
    Lock up's have a clutch in the torque converter that locks up and takes the fluid coupling part of it out .(makes it direct,no slippage)

    727 - Non-lock-up 24 spline 1967+

    727 - Non-lock-up 19 spline up to 1966

    727 - Lock-up 23 spline 1978+
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    Terry-tactransman 
    Torqueflite/Automatic Transmission Specialist
    Union, Mo.
    Give a man a fish and he eats for a day,teach him to fish and he eats for a lifetime.
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