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Thread: 351 engine swap + 9"ford rearend swap

  1. #1

    351 engine swap + 9"ford rearend swap

    Does anybody have any info or can point me in the right direction of any info on swaping a 258 for a 351 and changing out the rear end to a 9" ford. Thanks in advance for any input on this

  2. #2
    Thank you from BT ULTIMUS MAXIMUS STATUS tufcj's Avatar
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    A 9" swap just requires new axle pads to be welded on, as long as it's the right width. If you need it narrowed, talk to a local hot-rod shop, 9" is a pretty popular swap into anything. www.currieenterprises.com The AMC20 isn't a bad rear. It just needs a little help with a truss and one piece axle shafts from someone like Yukon or Moser.

    Why not use a AMC 360? It will bolt right up to your current bellhousing, and you can bolt in factory motor mounts.

    If you're set on a 351, go to www.zandm.com They're Ford conversion specialists.

    Bob
    tufcj
    1969 AMX
    1967 Rambler Rogue

    If you need a tool and don't buy it...
    you'll eventually pay for it...
    and not have it.
    Henry Ford

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    Thank you from BT Master (OIIIO)
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    Find a 9" from the late 60's... F-100. That's what was under the Jeep That I had... Perfect width etc... I don't think the perches even had to be moved.
    Don't waste your time with the Model 20.... IT's JUNK!!! In-order for it to be "DECENT" You'll have to do some fab work and spend some serious green, ($$$$). You'd be better off yanking a 44 or better yet a FF Dana 60 and have it narrowed etc. But, if you're only driving on pavement and slight off-road easy useage then the Model 20 will do...
    Honestly, go to a yard find a Ford pick-up that has a 351m, 4 speed, etc... and look around for various axles... do your research and then pick what you'll need.. better to go stronger than weaker... Just in-case you find yourself in that $%&#@*! situationYou can keep your current harness, you'll just have to snip wires splice others and I normally wire the engine etc independantly... lights, turn signals, wipers, heater... they're all factory wired... A new or aftermearket Wiring harnesses are expensive...

  4. #4
    Thanks for the replies and the excellent info. A buddy gave me a 1976 ford van with 80K on a new motor. I have no money in it so that leaves me some room to play.
    Thanks again

  5. #5
    Thank you from BT ULTIMUS MAXIMUS STATUS
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    Quote Originally Posted by fifesjeep
    Don't waste your time with the Model 20.... IT's JUNK!!! In-order for it to be "DECENT" You'll have to do some fab work and spend some serious green, ($$$$).
    Not necessarily, and I disagree. But to each thier own.

    I had an AMC 20 with 3.73's, SSBC and didn't have a problem behind a built 258 running 35's (Superior Axles). But, I did swap them out with D44's w/ 4.56 lockers when I dropped a 410HP+ 360 into the chassis though :-)
    The 20 is a good axle if you don't go hard or BIG! First off, drop some 1 piece axles in there with some 33's or even 35's!!
    " “It is said that men go mad in herds, and only come to their senses slowly, and one by one.." -Charles MacKay
    "'The trouble with our liberal friends is not that they're ignorant; it's just that they know so much that isn't so.' "
    -Ronald Reagan

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