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Javelin M11 Driveshaft

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SixunoSix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SixunoSix Quote  Post ReplyReply Direct Link To This Post Topic: Javelin M11 Driveshaft
    Posted: Nov/26/2022 at 5:45pm
I'm swapping my 69 Javelin from the 290 2V, M40, to a 343 4V, M11.
I see you can get the M11 driveshaft yoke from some AMC dealers. But I am wondering if the driveshaft is the same between the two transmissions. The M11 is shorter than the M40, does the yoke make up for this? Current driveshaft is 47 1/4"


Edited by SixunoSix - Nov/26/2022 at 6:03pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SixunoSix Quote  Post ReplyReply Direct Link To This Post Posted: Nov/27/2022 at 12:29pm
If anyone knows the length of the driveshaft in a 69 Javelin with an M11, that would answer my question also. I don't have the powertrain in to measure it.
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Regamble1969 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Regamble1969 Quote  Post ReplyReply Direct Link To This Post Posted: Nov/27/2022 at 10:02pm
Here ya go. This is from the center of the rear u-joint. Hope it helps. 


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Post Options Post Options   Thanks (0) Thanks(0)   Quote SixunoSix Quote  Post ReplyReply Direct Link To This Post Posted: Nov/27/2022 at 11:00pm
Thanks! That answers that, the yoke and the driveshaft are both different.
I think I found a used one, and it's cheap, and in Canada, must be my lucky day. Think I'll buy a lotto ticket LOL
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Regamble1969 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Regamble1969 Quote  Post ReplyReply Direct Link To This Post Posted: Nov/27/2022 at 11:03pm
My pleasure.

Finding anything AMC is almost a miracle, but finding it cheap is like buying a coffee mug that turns out to be a genie lamp.
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SixunoSix View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SixunoSix Quote  Post ReplyReply Direct Link To This Post Posted: Nov/27/2022 at 11:31pm
Agreed!
Like putting your winter jacket on and finding a 20 in the pocket!!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SixunoSix Quote  Post ReplyReply Direct Link To This Post Posted: Dec/15/2022 at 7:06pm
Spoke too soon it ended up being the wrong driveshaft and yoke. At least I found out before the guy shipped the part.

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