LQ9 swap tune problems
Hey all, I am in need of some EFI tunning help. The vehicle I am trying to get dialed in has been fighting me the whole way. Its a 1999 GMC sierra 2500 (new body style) with a LQ9 escalade 6.0.
I would like to send a HP tuners data log to who ever could point me in the right direction and help me get this thing dialed.
I am having problems with it stalling when thrown in gear fast, with the ac on, and sometimes starting. I have tried opening the throttle blade and opening up the air bleed hole. Another problem is knock retard at full throttle, or at medium load situations. I have dropped the timing to the point where the truck sort of bogs.
I need to also hook up a wide band O2 to the truck. I have a exhaust that is rattling like a MOFO so that might be producing false knock.
If someone can help, please let me know
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1965 GTO convertible
2009 GM Design Award winner
Triple black with Subtle yet massive Modifications.
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