Cadillac STS Posted October 19, 2004 Report Share Posted October 19, 2004 What exactly does this do to your tranny perf wise? and it says that it can extend the life of your tranny? LINK EDIT: I meant 4T80E**** Link to comment Share on other sites More sharing options...
bigfoo Posted October 19, 2004 Report Share Posted October 19, 2004 exactly what it says it does It increases line pressure to make it shift harder by modifying the computer signal. I wonder if it will let you change the rpm shift points.. doubt it though Link to comment Share on other sites More sharing options...
eldoman95 Posted October 19, 2004 Report Share Posted October 19, 2004 it weakens the signal to the PCM so the computer thinks that theres not enogh pressure in the lines, so itll incress the pressure in the lines.. doesnt make it shift firm, it shifts hard! nice when your florin it. thats about it. Link to comment Share on other sites More sharing options...
juruiz Posted November 2, 2006 Report Share Posted November 2, 2006 exactly what it says it does It increases line pressure to make it shift harder by modifying the computer signal. I wonder if it will let you change the rpm shift points.. doubt it though Hi i need info. to one of these for my '99 Seville. I would appreciate it verry much (renovation777@yahoo.com) Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted November 2, 2006 Report Share Posted November 2, 2006 If you put the gear selector in 4/3/2 (depending on your transmission) it also raises the line pressure and provides harsher shifts. Otherwise, the shift quality is modulated by the PCM based on situation and driver inputs; replacing this system by constant hard shifts seems a poor trade. Bruce 2016 Cadillac ATS-V gray/black Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
juruiz Posted November 3, 2006 Report Share Posted November 3, 2006 If you put the gear selector in 4/3/2 (depending on your transmission) it also raises the line pressure and provides harsher shifts. Otherwise, the shift quality is modulated by the PCM based on situation and driver inputs; replacing this system by constant hard shifts seems a poor trade. Hi, I have the picture of this tuner in my computer but I lost the sellers info.Can it be possible for you to give me the web page. Thanks, Juan Ruiz Link to comment Share on other sites More sharing options...
Nikolai Posted February 19, 2007 Report Share Posted February 19, 2007 Anyone have any info on this? The link seems to be dead. Link to comment Share on other sites More sharing options...
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