GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Allison swap maybe?

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Old Aug 10, 2012 | 04:49 PM
  #11  
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Originally Posted by ltr450ryder
It's like 5k for a built Allison and converter lol
Guess somebody has been pricing them eh?
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Old Aug 10, 2012 | 05:23 PM
  #12  
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Oh crap ok yeah I knew they were bigger but by how much didnt know. I was just thinking bout it for the extra gears an all seeing as no one really has done anything about swapping one of those new 6 speed trans out of the new trucks.
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Old Aug 17, 2012 | 05:47 PM
  #13  
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An Allison won't clear the body floor pan. You would need a body lift or cut out and reshape your floor.
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Old Aug 17, 2012 | 06:50 PM
  #14  
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I wouldnt reccomend an Allison for a " small " gas engine or racing.

They would require more power to operate than your standard 60-80E

They are designed for towing and heavy ,labor, not racing.

They are expensive to build, i have 4300 in mine .

Tq converters are 1300 for a good one.

They use a stand alone computer, wiring it in wouldnt be easy but could be done.

They are awesome for a 3/4 ton Diesel/ big block truck, not a 1/2 ton gas truck.
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Old Aug 17, 2012 | 07:25 PM
  #15  
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Internals are very heavy due to how they are designed to operate and this does not lead to a good combo for Gas engine due to the fact they dont like high RPM.
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