Duramax Diesels Forum Truck of the Week
  #16  
Old 11-10-2017, 05:13 PM
tsd_billy tsd_billy is offline
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yeah theychanged in 2000 to the 5.3 ls
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  #17  
Old 11-10-2017, 05:14 PM
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I won't be able to look at it for a few hours.
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04 GMC ECSB LLY - Mix breed trans/SC1056 - Profab - PPE - Kennedy twin pumps/pickup - Danville tuning: 531/944
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  #18  
Old 11-10-2017, 05:18 PM
tsd_billy tsd_billy is offline
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Quote:
Originally Posted by PureHybrid View Post
I won't be able to look at it for a few hours.
that's okay anyone who can is appreciated. just trying to make it snappy off the line

current mods include
small cam 300 lift range
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  #19  
Old 11-11-2017, 07:42 PM
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Your file wouldn't open. I updated my software and still nothing?
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04 GMC ECSB LLY - Mix breed trans/SC1056 - Profab - PPE - Kennedy twin pumps/pickup - Danville tuning: 531/944
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  #20  
Old 11-11-2017, 07:49 PM
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Here's a 5.3 file I've been working on for a buddy. Smaller changes so far, just timing and backed off the cam phaser a bit.
Attached Files
File Type: ctz E38_KaseyMcCoy_5.3_Mod5.ctz (1.81 MB, 5 views)
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04 GMC ECSB LLY - Mix breed trans/SC1056 - Profab - PPE - Kennedy twin pumps/pickup - Danville tuning: 531/944
I can't complain, but sometimes I still do
Jesse
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  #21  
Old 11-13-2017, 10:41 PM
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Sorry I can't help I've never touched a 5.7L before.
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  #22  
Old 11-15-2017, 09:50 PM
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The L31 is ancient technology as most anybody who tries to get power out of one does an 0411 PCM swap. Virtually nothing from the newer tune tables will easily translate over as the black box l31 PCM is only a 256mb PCM. There's a few people who tune them, but not many as most abandon them for the 0411 and an 02 van tune.
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