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Hello,

Ive got 2 projects that i need help tuning. 1- one is an lq4 with 4l80e swap that has about 8 miles on base tune from PSI conversions. any recommendations on someone to help me tune it? ...

Has anyone figured it out? Ive got an 06 silverado Gen III ecm and I can not figure out how to get the ac request to operate. I have looked at and 06 express file and set everything in my ECM to...

OK, Thanks for the info. that's what I was reading too..

Hello everyone,

I new to HP tuners and I'm sorry if there's a thread on this already but I didn't find one. I looking to see if anyone has tuned the 2020-21 power stroke for upgrades? Or at...