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Originally Posted by benloibl
Guys my Brother and I are working on a C-10 truck and we are putting in a LQ4 motor and 4l80 transmission in the truck. We have all components including the computer, throttle module and all wiring out of a early 2007 2500HD. We are at the stage that we need to address the wiring and computers. what is the best way to go regarding the wiring harness and computer for my ls motor. Should we buy all new or send off the existing wiring and computer and have it re flashed. We are not sure if the aftermarket world has put out cost effective products or is it still more effective to send this stuff off.
Also we are putting on a ls2 intake
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PSI is a very good company to work with they have great customenr service, the harness was a little tight in some spots but we made it work. With swaping to the LS2 intake a couple of ways to shave some time and money, use speed density tuning to elminate the MAF and O2 sensors, and all you have is the IAT sensor to plumb into the CAI. I spent alot of time ensuring the 02 sensors matched the harness along with the other parts. My tuner deleted most of the functions to get my HP and TQ levels where I needed them. Good luck with your build!