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AMC 401 Connecting Rod Numbers
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Thread: AMC 401 Connecting Rod Numbers

  1. #1
    Helpfull BT forum member Captain
    Join Date
    Dec 2005
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    Bath, New York
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    AMC 401 Connecting Rod Numbers

    Starting to build a 401 from a 1978 bare standard block and I have a 3220411 forged crankshaft @.020 under, with stock heads. To the point where I need to find connecting rods and I'm not finding any reference to casting numbers. Is there any thread that will tell me if 3197047 connecting rods will work? I would think any 401 rod would be okay ???

    Another short question - I just purchased a set of cam bearings with the .201 holes for this project. Is the oil line under the intake manifold
    going to be overkill or cause me any problems with these cam bearings?

    Plan on posting pictures as I go - right now it's a shelf full of parts.

    1978 AMC 401
    3231475 Cyl. Heads
    3220411 Crankshaft (.020)
    Stock 4 bbl. manifold probaly 650 cfm plus.
    Bulltear timing cover and oil pump.
    Cam and carb undetermined
    Lots of standard parts from my 360.
    No CJ's left. 1968 AMC = long term.

  2. #2
    Thank you from BT ULTIMUS MAXIMUS STATUS jeepsr4ever's Avatar
    Join Date
    Dec 2002
    Location
    Minnesota
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    10,042
    That number is a 401 rod! You might need the valley line if you are holding it at 6000rpm and above for extended periods of time but it usually isnt neccesary
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  3. #3
    Helpfull BT forum member Captain
    Join Date
    Dec 2005
    Location
    Bath, New York
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    59

    AMC 401 Connecting Rods

    Thanks - I got them on Ebay last nite.
    No CJ's left. 1968 AMC = long term.

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