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whats up guys i just installed a ppe boost controller on my 05 lly this past friday and today when i was leaving work the check engine light came on. so i grab the scanner and read the codes and i have a engine underboost code and a boost sensor circuit code and a control module memory code all...

whats up i've got a 05 lly duramax with the 5 spd allison and was thinking of buying the suncoast kit to convert it to the 6 speed because of the extra strengh, but my question is how much power are the six speed trannys holding before needing a converter or internal work i'm trying to find out...

whats up i have a 05 lly duramax and i already have a turbo back and a programmer and i was planning on buying the ppe boost controller and the egr delete. my question is what kind of boost is the stock turbo effecient to when cranking up the boost and getting rid of the egr valve and what kind...