Tuned in
Clearfield.
ECU tunes for the CFMOTO Z10 and the Polaris RZR Pro R, built on our dyno for the fuel you run and the place you ride. Already running one? Updates and second tunes are here too.
Shop tunes
What’s an ECU?
QuestionsTunes only
Pick your tune.
No hardware to bolt on. Each one is a calibration written for one machine and one fuel.
Z10 ECU Tune · Stage 1, 2 & 3
- 195, 215 or 220 WHP on 91; 235 and 245 WHP on E85 with Dynamic Fueling
- Stages matched to your injectors and exhaust; Bosch 1000cc injectors with Stage 2 and 3
- IAT-based fan control on every stage; launch control optional
Mail-in flash
Pro R NA Tune +15 HP
- +15 HP on 91 octane pump gas
- No exhaust, header or intake needed
- Comes with the HP Tuners RTD module (2 credits), the Polaris cable and the ECU unlock
Unlock once, then flash at home
Second supercharger tune
- Every Packard supercharger kit ships with one custom tune; this is the second
- For a new fuel, a new boost level, or different fuel in different places
- 91 for the 380/425 kit, 110 for the 460, E50 for the 500
Matched to your kit and fuel
Tuning hardware
Every Polaris needs the adapter cable to flash with an RTD. HP Tuners credits are licensed per VIN and aren’t included with the device-only module. Want more than a tune? Supercharger kits and Pro R performance packages are on their own pages.
Already tuned
Running a Packard tune?
Updates, second tunes and send-ins all start here, and none of them need a phone call.
Check for a tune update
Jace checks your TDN and VIN against the current calibration for your machine. You hear back by email within one business day. Asking is free.
Ask about an update →Changing fuel or boost?
On a supercharged Pro R, the second tune covers a new fuel or boost level: 91, 110 or E50, matched to your kit. $200.
Get a second tune →Send in your ECU
Bought a tune? Fill out the send-in form (VIN first), print it, put it in the box and ship us the ECU.
Start a send-in →
Open your tuner portal
Your order number and the email on it. The portal link is also in your order email and on the card in the box.
Find my tune →The basics
What an ECU is.
The ECU, the engine control unit, is the computer that runs your engine. The whole time the engine runs, it reads sensors: how fast the engine is spinning, how far your foot is down, how hot and how dense the incoming air is.
From those readings it decides how much fuel to inject, when to fire the spark, how far to open the throttle, when to run the fan and where to cut the revs.
Those decisions come from the calibration: the factory’s tables of numbers. Change the numbers and the same engine makes different power. That’s a tune.
What a tune changes
Same engine. New numbers.
An example of a spark-timing table, in degrees. It shows how a calibration is laid out, not one of our real files.
A tune is a new set of numbers.
Inside the ECU are tables: grids of numbers by engine speed and load, for fuel, spark, torque and limits. A tune rewrites those tables. Nothing bolts on; the engine just gets different instructions.
The factory ECU is conservative on purpose. One file has to work for every owner, every fuel and every climate. We recalibrate it for the fuel you run and the way you drive, and develop it on our dyno in Clearfield.
Every tuneFuel and sparkFuel and timing tables written for the fuel you run. On the Z10, each stage is matched to your injectors and exhaust.
Pro R NATorque limitsThe factory torque caps come off for fuller engine output.
Pro R NAPedal mappingReworked torque mapping for a smoother, quicker pedal.
Pro R NARev and speed limitersA raised rev limiter for longer pulls and a raised speed limiter for more top end.
Z10 · Pro RFan controlThe Z10 runs its fan on intake air temperature, for a 20°F average drop on every stage. The Pro R gets revised fan temperatures.
Z10 optionsLaunch and fuelLaunch control from 2,000 to 5,500 rpm, and Dynamic Fueling on Stage 2 and 3. Both set with the key on, engine off.
How it works
How the tune gets to your car.
Two ways, depending on the machine.
Mail-in flashEvery Z10 tune is flashed here in Clearfield.
Pick the stage and options. That’s the flash we build for your car.
Pull it and send it to Packard Performance, 94 13th St, Clearfield, Utah 84015, with your name and order number in the box. Start with the send-in form.
Your ECU gets the dyno-proven map for your stage and fuel, then ships back. Stage 2 and 3 come back with the Bosch injectors in the same box.
Choose launch rpm and fuel with the key on, engine off; the gauge confirms the setting.
Unlock once, then flash at homePolaris tunes are written and delivered with HP Tuners.
- 1Order the tune
The Pro R tune ships with the HP Tuners RTD module (2 credits) and the OBD2–Polaris cable.
- 2Send your ECU once
On a Polaris the ECU comes to Clearfield one time, for the HP Tuners unlock and first flash. Your order email has the send-in form, VIN first.
3The unlockThe ECU unlock typically takes 1–2 weeks, then it comes home.
4Updates from your phoneAfter that, every update is written from your phone through the HP Tuners app: read your stock file, Jace sends the tune, you write it to the ECU.
HP Tuners credits are licensed per VIN. The RTD module that comes with the Pro R tune has 2 on it.
Fuel and elevation
Your tune is written for your fuel.
Every Packard tune is built for one fuel. Running a 91 tune on 110 leaves power in the tank; running a 110 tune on 91 is how engines get hurt.
On the Z10, the Dynamic Fueling option (Stage 2 and 3) puts the choice in your hands. Pick the E10–E100 range or the 91/110 range at checkout, then select your fuel with the key on, engine off.
Elevation matters too. Thinner air changes how a tune fuels, so we ask where you ride.
Questions
Questions riders ask.
What’s the difference between a tune and a flash?
The tune, or calibration, is the file: the tables of numbers. Flashing is writing that file into the ECU. On the Z10 we flash it here in Clearfield; on a Polaris, after the first unlock, you flash it at home with the RTD module.
Do I have to send my ECU in?
For the Z10, yes. Every Z10 tune is flashed in Clearfield. On a Polaris the ECU comes in once, for the HP Tuners unlock and first flash. After that every update is written from your phone through the HP Tuners app.
How long does a Polaris unlock take?
Typically 1–2 weeks. Once it’s unlocked, flashing with the included RTD module is quick.
Does it cost anything to check for an update?
No. Jace checks your TDN and VIN against the current calibration for your machine and answers by email within one business day. If there’s a newer tune, the email says how it gets to you.
Which Z10 stage do I need?
Match it to your hardware. Stage 1 is stock injectors and stock exhaust. Stage 2 includes Bosch 1000cc injectors and runs on the stock or an aftermarket exhaust. Stage 3 includes the injectors and needs an aftermarket exhaust.
Can I change my Z10 exhaust later?
On Stage 2, yes. Most tunes are built around one exhaust; ours runs correctly on either, so a new exhaust doesn’t mean a new tune.
I’m changing fuel on my supercharged Pro R. Do I need a new tune?
Yes. Every supercharger kit ships with one custom tune for one fuel. The second supercharger tune is written for your kit and the fuel you’ll actually run: 91 for the 380 and 425 kits, 110 for the 460, E50 for the 500.
What are HP Tuners credits?
HP Tuners licenses tuning per VIN, paid in credits. The RTD module that comes with the Pro R tune has 2; the device-only module has none.
What does “key on, engine off” mean?
On the Z10, launch rpm and the fuel setting are chosen with the key on and the engine off (KOEO). The selected setting shows on its gauge for 10 seconds at key-on, so you can confirm it before you start the engine.