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  1. #1

    Question How do you tell an M11 tranny from a 727?

    I thought I had an m11 tranny in my 69 343 Amx. A transmission shop mechanic just said I had a 727 tranny. When I purchased the car 3 years ago. I was not informed it was a 727. Also the mechanic that installed the 390 engine did not mention it either.
    Thank you.

  2. #2

    Post IDing a M-11

    This is quite simple to do. Look on the passenger side of the tranny. On the gear housing, there should be a data plate listing the maker of the tranny. Borg-Warner made all of the m series trannys for AMC. Secondly, the M-11 is considerably heavier than the torque-flite. Thirdly, look on the side of the M-11 tranny and it should be stamped M-11, M12, etc. Borg-Warner stamped the trannies in this fashion. It is stamped on either side of the tranny.

  3. #3

    Default

    Hi, the quickest way to identify a torq-flight is just open the hood and look at what is connected to the carb. All AMC's with the torq-flight tranny have a linkage mounted from the throttle arm back behind the head and down to the kick down lever of the tranny. M series and TH400's use an electric switch to perform kick down (mounted near the gas pedal). This method is easier than jacking the car and getting on the ground.

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