Choosing a RaceME tuner
Start with exact model year, pickup or cab-and-chassis configuration, ECM, transmission, and existing modifications.
Owner resources
Diesel knowledge without the noise.
Practical guidance for RAM/Cummins owners choosing, installing, and maintaining a complete performance setup.
Tuning for towing
Usable torque, shift behavior, cooling, tire load rating, braking, and maintenance condition matter more than a single peak-power number.
Before an update
Confirm the exact product model and current software, maintain stable vehicle voltage, and follow the current manufacturer instructions.
Fuel & injectors
Symptoms can overlap. Diagnose fuel supply, filtration, rail pressure, wiring, and injector condition before replacing parts.
Modified-truck monitoring
Watch the parameters that match your use and hardware. Establish healthy baselines before changing the configuration.
Need the exact manual?
Contact us with your tuner model and serial information so we can point you to the correct current resource.
Fitment first
Not sure what your truck needs?
A new Sunstate Diesel experience
We're putting the finishing touches on it.
We're refining the Sunstate Diesel online experience to make it faster, clearer, and more useful for your truck. A few pages and features may still be taking shape—thanks for your patience.