266 torque convertor question

Discussion in 'General IH Tech' started by michigan scout, Jun 21, 2019.


  1. michigan scout

    michigan scout High Wheeler

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    is there a difference in a 727 torque convertor from a 304, 392, 345??? Asking because just curious if I can use one of those on a 266?
    I am in search of a flexplate for a 266 including spacer etc. to put a 727 on it
     
  2. scoutboy74

    scoutboy74 Lives in an IH Dealership

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    The closest you can get all the way around is for 304. The 266 was discontinued around 1967-68 and IH didn't use the 727 until late '71 to early '72. So the two were never mated together from the factory. The engines are externally balanced and the flex-plate is part of that balance, so there is a chance you could have vibration issues, but flex-plates have gotten swapped around quite a bit by folks and it generally seems to work alright. For the converters, different engines likely had different stall speeds in the converters. Like I say, when you order up your new converter, just go with specs from a 304 powered Scout II because that is as close as you can get.
     
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