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

What Tranny Does The 03 Have

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Old Dec 2, 2007 | 08:47 PM
  #21  
mysterync's Avatar
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From: Blowing Rock,NC
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Have you noticed reductions in temps? Looks like I need to call mike, havent talked to him in a while!
 
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Old Dec 2, 2007 | 08:52 PM
  #22  
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From: Houston, Tx
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Yes, you should see a temp reduction especially when towing. You might want o give Mike a call.
 
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Old Dec 2, 2007 | 08:58 PM
  #23  
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From: Norco CA
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This is what McRat said about Casper when Mike tore him down. I think Pat was mistaken though. That converter did not have 70 passes on it. It was a lot less.

Originally Posted by McRat
Drove Casper to Mike L's for a checkup.

Hard parts have over 500 passes on them, clutches and converter have 70+ passes on them at over 700rwhp.

Hard parts, AOK. All are in reuseable condition.

C3 clutches show medium wear. No limping, no pockets, no delam, no warp.

Converter? Clutch hosed.

I would say the C3 Oiler probably helped since this trans was often hot-lapped, and had been burned-down at the staging lights by some trucks, but the wear was what I'd consider to normal for a 500HP truck after a year of racing.
 
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Old Dec 2, 2007 | 09:03 PM
  #24  
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I remember that post. That was definitely good news and showed that Mikes mod was working.
 
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Old Oct 27, 2008 | 03:59 PM
  #25  
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so would it be ok to put a banks six gun on a stock allsion?
 
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Old Oct 27, 2008 | 04:08 PM
  #26  
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From: Worlds Highest Hill
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Well sure it would, but I wouldn't run it on Kill mode all the time if you drive hard. Always run it in a tow tune when towing, let the trans re-learn when going up in tunes, and start saving for a trans if you have a heavy right foot. Something that will help prolong your trans lifespan is a trango shift kit. Quite inexpensive too. But nothing is like having an aftermarket trans.
 
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