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  1. General Discussion
    Looking for some advice on what my issue could be. The truck had shut off while running It had prime but I went ahead and cracked the bleeder screw and re primed it after doing that it finally started back up felt a decrease in power between that night and the next morning. I did a oil change...
  2. 07.5-10 LMM Duramax Powertrain
    hey guys, this is my 1st post on here... i have an 08' LMM w/ edge CTS programmer and 5" back exhaust w no cat muffler or dpf. Recently when running on the highway at 65-75mph, when accelerating half throttle there is a big bog down of the motor and a rumbling sound accompanied by a small shake...
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