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  1. #11
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    Quote Originally Posted by 408Stang View Post
    I don't know if this is the right place to post this, but I also have a 2001 F150 XLT super crew. I would like to upgrade the 4r70 auto transmission to a 5 or 6 speed auto. Is this a simple matter of the right tranny swap... Or am I moving into computer and wire harness territory? Plus transfer case, exhaust, drive shafts, etc... Maybe it would be cheaper to buy a new truck?
    Exhaust has nothing to do with your transmission lol. And there is no 5 speed auto. The 4R70 was 4 speed plus overdrive (5 gears). The next transmissions in newer generations were 6 speed. The only 5 speed Ford made in these years was manual.

  2. #12
    Supercharged Proud Dad anaheim_drew's Avatar
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    Quote Originally Posted by RhinoZ24 View Post
    As for the Harley Davidson ECM, I'm going to say no because those models were supercharged and were programmed much different than the naturally aspirated trucks. They were designed for way more power and much different ignition timing as compared to any other F-150 model.
    The 2001 F150 Harley Davidson edition was not supercharged.

    Quote Originally Posted by RhinoZ24 View Post
    And there is no 5 speed auto. The next transmissions in newer generations were 6 speed. The only 5 speed Ford made in these years was manual.
    Ford made many 5 speed auto transmissions that have been modified for use in an f150
    Black Chrome is bagged, blown and a pleasure to own.


  3. #13
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    Quote Originally Posted by anaheim_drew View Post
    Ford made many 5 speed auto transmissions that have been modified for use in an f150
    In the 2001's and up? I thought the 97's to 10's were either 4R70 or 4R100. And 11's and up had the new select shift 6's. What was the 5 speed auto? Just curious.

  4. #14
    Supercharged Proud Dad anaheim_drew's Avatar
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    5r110w – 5-speed automatic with Tow/Haul mode – Replaces 4R100 in Super Duty trucks

    09 up F150's had
    6 speed automatics
    Last edited by anaheim_drew; 09-13-2016 at 08:06 PM.
    Black Chrome is bagged, blown and a pleasure to own.


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