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TC Lock up in 3rd at WOT

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Old Jan 26, 2007 | 08:44 PM
  #11  
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Are you talking about horsepower and torque being equal at 5250 rpm? If so I thin it is because horsepower is derived from a mathematical equation or vice versa I can't remember which.

Dave
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Old Jan 26, 2007 | 08:45 PM
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My truck ran better locking the converter up in 3rd. With it unlocked just felt like the converter was slipping at WOT. With it locked, it just keeps pullin.
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Old Jan 27, 2007 | 12:40 AM
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Originally Posted by 2004SSS
that doesent make sense. i dont see how every car/truck would cross over at that rpm , someone enlighten me.
HP=TQ*RPM/5252
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Old Jan 27, 2007 | 12:56 AM
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so i guess its the mph you look at then i guess at 5250 rpms in 3rd gear is where you would want it to lock up at.
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Old Jan 27, 2007 | 04:56 AM
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i lock mine in 2nd


i have my first dyno i'll try to get up here but the hp and tq cross at 4700


and my 2nd dyno cross right at 5225 to 5250
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