Upgrading from a 5.7L HEMI to a 6.4L (392) HEMI in your 2011–2014 Chrysler, Dodge, or Jeep platform is one of the most popular and rewarding swaps. But a direct bolt-in isn’t enough — your ECU must be recalibrated to properly manage the 392. MoPower Calibrations offers a Performance ECU Calibration Service that makes your swap perform seamlessly, reliably, and with OEM-like drivability.
The 6.4L HEMI requires different fueling, spark, idle control, and torque management compared to the 5.7L. Without a proper reflash, your swap may suffer from poor drivability, incorrect shift points, lean conditions, or even no-start issues. Our calibration corrects these parameters, ensuring your swap feels like a factory-installed 392.
This swap calibration supports 2011–2014 vehicles originally equipped with the 5.7L HEMI, including:
⚠️ This is a mail-in ECU calibration service. You must send us your ECU/PCM. Please include:
Failure to include this information may delay turnaround time.
Complete your 5.7L to 6.4L (392 HEMI) swap the right way with MoPower’s Performance ECU Calibration. Send us your ECU today and make your 392 swap run like it came that way from the factory.
Tags: 5.7 to 6.4 swap, 392 HEMI ECU flash, 2011–2014 Charger 6.4L swap, Dodge Challenger 392 swap tune, Chrysler 300C 5.7 to 6.4 calibration, Jeep Grand Cherokee 392 ECU flash, MoPower Calibrations
05 ram 1500. Skim problems solved after sending in my ecu. Very thankful. The only thing extra I had to do was allow my ecu to relearn my throttle body and I was back on the road. Thank you for your services!
MoPower deleted my PATS in my 2001 Mazda/Ranger ECM worked great
Reached out to mo-power calibrations just last month 07/26 for two product adjustments, the process was simple smooth and affordable, he actually finished ahead of time and I had my unit back earlier than expected. I wil...
Sent a used pcm for 2012 jeep 5.7 to get programmed to vin. Had no issues. Was easy to work with. Would use this company again. Thank you
The service was quick and exactly what I needed to get the jeep back on and off the road. Definitely recommend MoPower!!!!
I call several places and no one could do what mopower could do. They reflashed my ECU to stock after a "tunner" bricked it. After the reflashed it I just put it back on my truck and it work!!
We purchased a used computer on eBay and needed to get our Vin# installed on it. Thankfully Kevin knew we had the wrong Software Update for our 2006 GT Turbo PT Cruiser on the computer. We sent it to him and he Installed...
Great service. Oil landed on my pcm because of a leaking catch can and it messed up my pcm I send this dude a brand new pcm from the dealership and he was able to program it in a week This dude is the real dea...
Had trouble with my 2009 Colorado just starting when it wanted to. Wait 10 minutes, no matter where you are. After extensive research found out it was narrowed down to the VATS software. Did a search and MoPower Calib...
I purchased a used pcm from Kevin. At first I was a little skeptical about sending a payment because there was not really any reviews. Well everything turned out as great business and fast shipping. I even had Kevin set ...