Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

LB7 Transmission Advice

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Old May 25, 2010 | 10:11 PM
  #1  
tfunk22008's Avatar
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Diesel Fan
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Default LB7 Transmission Advice

Hey guys im fairly new at this and havent had a lot of experience with modding my truck. i decided to go big or go home and get the PPE hot 2 programmer and a cold air intake along with a 4 inch exhaust. I have been watching my pyro and even on the 220 horsepower setting it doesn't get much over 1100 degrees my main problem is the 5 speed allison i was wondering what is the best rout to making my truck to be able to handle the power. do i buy a clutch pack and rebuild or go with a different tranny what would you suggest
 
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Old May 25, 2010 | 10:30 PM
  #2  
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Aaron
Joined: Apr 2007
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From: nunya
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Suncoast without a doubt if you want to use the power you added. Otherwise turn it down and baby the Ally.
 
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Old May 31, 2010 | 09:32 AM
  #3  
dmaxtothemax's Avatar
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From: Chiefland, Florida
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Originally Posted by No Problem
Suncoast without a doubt if you want to use the power you added. Otherwise turn it down and baby the Ally.
Will a rebuild kit do for the six speed? or are you talking new tranny?
 
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Old May 31, 2010 | 04:03 PM
  #4  
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From: TX
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A Suncoast rebuild kit is fine and a new converter. Its a 5 speed not 6 on the pre 06 trucks unless you do a conversion.
 
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