2019-2020 GM gas 5.3L and 6.2L Tuning now available on the Predator 2!

2019-2020 GM gas 5.3 and 6.2 applications now supported

for tuning on Predator 2 7222-R!

DiabloSport again delivers an innovative tuning solution, this time for the 2019-2020 GM gas 5.3L and 6.2L applications. These E90 ECU’s have been on the ‘not tune-able’ list since they hit the street in late 2018 due to the security put in place by GM. Well that has changed! With our included “PCM Send In” service, we’ve made tuning these trucks a reality, and at an affordable price point. When you purchase the 7222-R Predator 2 tuner, you’ll submit our GM PCM MOD send in form and receive instructions to send your ECU in for the unlock service. We’ll overnight the ECU back to you, ready to install back in your vehicle for minimal downtime. From there, you connect the Predator 2 and start tuning!

We’ve included tunes for multiple octane levels, as well as some amazing features that will let you enjoy your truck to its fullest. Tired of that annoying Auto-Start/Stop feature? Set it to stay off at the touch of the button in the cab of your truck. Need to recalibrate your speedometer for larger tires? No problem. Tired of that pesky AFM or DFM system running on less that 8 cylinders? Turn it off! Be sure to configure your vehicle to see specific horsepower/torque gains and feature sets for your application.

You expect power gains when you tune your truck, and the 7222-R Predator 2 delivers. Below are the the dyno sheets showing what you can expect from your application. We’ve also gathered 0-60 and quarter mile data on our 2019 6.2L Silverado. The results are rather impressive, especially for a full size, loaded 4 door truck truck:

0-60 and 1/4 mile data
0-60 and quarter mile data for 2019 Silverado 6.2

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5.3 6 speed dyno results
5.3 L82 Dyno Chart
5.3 8 speed/10 speed dyno results
5.3 L84 dyno chart
6.2 10 speed dyno results
L87 6.2 Dyno Chart


19-20 GM Gas Truck 6.2 Track Results and Overview