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4r70W vs 5 speed auto

Discussion in 'Stock 2002 - 2005 Explorers' started by wpurple, June 22, 2005.

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  1. wpurple

    wpurple Well-Known Member

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    Can someone tell me how robust the 5 speed auto is compared to the 4 speed 4r70W for durability?

    How well does the 5 speed hold up to towing? Tne newer X's are rated for about 500# more than the 5L 4R70W setup.

    Tx
     
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  3. boominXplorer

    boominXplorer Elite Ranger Elite Explorer

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    considering alot of the newer v8 x's are already having tranny problems I personally think the 4r70 will do better
     
  4. 410Fortune

    410Fortune Snow Season Staff Member Moderator

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    damn Ford trannies.

    The 4R70W is the only friggin auto that ever came in an explorer that was GOOD.
    Its a AOD basically,
    Wide ratio gearset
    computer controlled
    AOD-E

    They are VERY reliable, durable, and can take like 500 hp with some simple upgrades. Although I have only been driving around with mine for about 3000K miles (put one in my 88 BII) I tow a 19' boat with 33's and the 4r70w does not flinch, get hot, or start hunting gears..

    It has no issue downshifting into 2 and holding it there to redline in order to climb the hill or pass or whatever. I love this transmission, I own 3 of them now.....
     

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