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    Results 1 to 3 of 3
    1. #1
      Join Date
      Sep 2007
      Posts
      162

      4TSB from FB Performance?

      Has anyone used a 4TSB? It is a Ford based trans from FB Performance. It's a 3 speed auto with a transbrake & an electric overdrive. It also has interchangable bellhousings to fit different motors. They claim 900+ HP and 700 ft.lbs. torque. Interested because I like the closer gear ratio than traditional transmissions. Standard Gear Ratio:2.40/1.47/1.00/0.67
      Optional Gear Ratio:2.84/1.56/1.00/0.70

      Anyone have an idea what they sell for?



    2. #2
      Join Date
      Feb 2008
      Location
      Texas
      Posts
      302
      Country Flag: United States
      Why not just go with a 4l80e? it has close to the same gear ratio 2.48/1.48/1.00/.078. And can handle more power. Also that 4TSB for gm engines on their website only comes with a full manual valve body.
      Edit: forgot to add jakesperformance has 4l80e's with transbrakes
      http://www.youtube.com/user/cutlassrkt?feature=mhee
      69 cutlass - 5.3l L33, Jakes stage 3 4L80e, 275/40/17 proxes tq

    3. #3
      Join Date
      Jul 2010
      Location
      Sacramento, CA
      Posts
      1,214
      Country Flag: United States
      Quote Originally Posted by 69cutlassrkt View Post
      Edit: forgot to add jakesperformance has 4l80e's with transbrakes
      And he builds a hell of a good transmission!
      -James

      1974 Z28 SCCA C Prepared
      1990 Firebird NASA CMC
      2005 Mustang GT SCCA F-Street (new for 2015)
      1989 Civic Si SCCA STC


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