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                Dyno Tuning

                PTUNING Dyno Tuning Facility

                Installing all of those performance modifications on your engine is only step one. To truly get the most out of the engine upgrades, we utilize our in-house AWD Dyno Dynamics loading dynamometer to put your car through its paces and dial in the ECU parameters to maximize efficiency and safety.

                The stock ECU calibration in most vehicles is designed to work specifically with the OEM/stock components that came on the car. When we start replacing and upgrading the efficiency of these components, that original ECU calibration assumes the same stock parts are in place and can only compensate so much. When the efficiency of these upgraded components goes beyond the ability of the ECU compensate accordingly, the ECU needs tuning.

                Our Master tuner takes the time to set up your ECU parameters for the newly increased efficiency, and dials those parameters in to ensure your engine is running efficiently, powerfully, and safely. PTUNING focuses primarily on street cars with performance focus, so you can drive your car to the race track, beat up on the competition, then comfortably drive home and even swing through a drive-thru if you see fit. Most vehicles will sacrifice that daily drivability to maximize on track performance. Here at PTUNING, no corners are cut to ensure you have the most complete ECU calibration available for your existing modifications.

                Dyno Tuning Session (cars only):

                • Cobb
                  • Fiesta ST/Focus ST - $700 on up
                  • Subaru 2015+ WRX - $650 on up
                  • Subaru WRX STI - $600 on up
                  • Subaru WRX - $600 on up
                  • Mitsubishi Evo X - $700 on up
                • EcuTek
                  • BRZ/FRS/GT86 - $600 on up
                  • 370Z - $600 on up
                  • G37 - $600 on up
                • UpRev
                  • 350Z/G35 - $600 on up
                  • 370Z/G37 - $600 on up
                • Hondata
                  • KPRO - $700 on up
                  • Flashpro - $650 on up
                  • S300 - $700 on up
                • AEM V2 Series ECU
                  • All Vehicles - $850 on up
                • AEM Infiniti
                  • DISCONTINUED
                • Haltech Platinum Pro plug-and-play
                  • All Vehicles - $800 on up
                • Haltech Elite
                  • All Vehicles - $900 on up
                • Megasquirt
                  • All Vehicles - $750 on up
                • For all other ECUs not listed above
                • $500 on up - Re-tuning Session
                  • Vehicle must have been previously tuned by us
                  • Tune must be within 1 year and is non-transferrable
                  • Includes dyno graph printout
                  • Contact us to see if your vehicle qualifies for the re-tuning rate
                • Please Contact us for the following to ensure we provide you with an accurate quote:
                  • Flex Fuel, water meth, and additional sensor setup and special requests
                  • Forced induction, upgraded turbo systems, and additional fuel types

                Speedometer Accuracy Verification:

                • Only available for contracted fleet vehicles

                IMPORTANT NOTE:

                A non-refundable deposit is required for all dyno related services - not to exceed the cost of the service. For dyno tuning session, there is a non-refundable minimum deposit of $250 to reserve your dyno tuning session.

                For all dyno tunes, please read and complete the PTUNING DYNO CHECKLIST. If you select the "PRE-DYNO INSPECTION" option, please contact us to schedule an appointment.

                Dyno tuning or Pro tuning is the process of calibrating a factory or aftermarket ECU to the efficiency of the engine. The goal is to make sure the AFR is safe and efficient, the cam timing maximizes the amount of air entering the engine, and that the ignition timing is optimized among other parameters. The most efficient tune is also the one that maximizes engine performance. This is all completed under a controlled and safe conditions here at our facility. We first start by loading a safe tune to at least get the basic parameters in the ballpark. This may be from the ECU calibration, a provided base map, or even a map from a previously tuned vehicle with similar specs. We then begin the process of correcting the AFR, if necessary until it’s a safe and consistent number. Next, we work on setting the cam timing or VTEC switching point to optimize power. Finally, we’ll walk the timing in for maximum efficiency. If you have a boost controller, we’ll turn up the boost and start again! This is so we can map a new section of the fueling and timing maps.

                Factory tunes are a compromise between efficiency and emissions compliance. This means any car we tune will likely see a gain of some sort. Cars that will see the most benefit from a tune are modified vehicles running aftermarket intake systems, exhaust systems, turbo systems, etc. Anything that modifies the engine’s efficiency will also affect its tune. The more efficient the parts, the further off the original calibration will be. Factory speed density cars such as most Honda’s are especially sensitive to modifications as it will affect the fueling and timing since fueling is based on an estimated efficiency. Most MAF based cars are a little more forgiving to modifications as the whole concept of MAF fueling means they’re measuring actual air flow. In both cases, ignition timing and cam phasing may no longer be ideal with the modifications.

                Here are a couple of good examples:

                • Naturally aspirated vehicles with full exhaust systems
                • Vehicles with larger cams
                • Vehicles with headers

                In other cases, modifications done to the car may cause the ECU to not even know what to do! In this case, we need to program the ECU for the new parts or risk serious engine failure! Here are a few examples of modifications NECESSITATING a tune:

                • Aftermarket 3 or 4 Port Boost Control Solenoid
                • Turbocharged vehicles with full exhaust systems
                • Bigger Turbochargers
                • Bigger Fuel Injectors
                • Larger Diameter MAF Housings

                Our in house tuner, Toan Nguyen, is a Master Tuner for AEM, Cobb, EcuTek, Haltech, Hondata, and UpRev. He is also an EFI University certified tuner with years of experience tuning thousands of vehicles such as his personal S2000 (AEM V2 EMS) and our Time Attack tC (Haltech Powersport 1000). We can’t forget to mention that he’s also tuned many of our employee’s vehicles too (Hondata KPro RSX, Megasquirt MS3X 240sx, Megasquirt PnP Pro SC300, Cobb AP Fiesta ST, EcuTek FR-S) so we can safely trust in the quality of his work! Some of our most common tunes include the WRX/STI, Mazdaspeed 3’s, and FR-S/BRZ/86 but he’s done everything from high horsepower drag Evo 8’s, drift setup 240sx’s and our SC300, track setup turbo S2000’s, and even 2JZ swapped resto-mod’s just to name a few. Toan works hard to maximize every aspect of the tune so that nothing is left on the table. This even includes a street verification after our dyno session as one final measure to make sure your car is the best it can be.

                The end goal is always to ensure that you get maximum performance from your setup at all times and under all conditions!

                At PTUNING, we utilize the state-of-the-art 4WD DynoDynamics dynamometer for all of our tuning purposes. This is a load based dyno that uses quad Eddy current retarders to put resistance on the drive wheels. What does this mean? We can mimic cruising conditions so we can properly calibrate part throttle fuel and timing maps. This means that not only will we be able to maximize your WOT power and efficiency, but we can make sure your car drives like stock on the street! Your transient fueling (getting on and off the gas, shifting, etc.) will be corrected so that you’ll be able to drive to the track event in the morning and grab a bite to eat at the drive-thru on your way home without worrying that your car will buck and stumble while trying to putt around town. PTUNING is the only shop in the Northern Virginia area with this type of tuning capability! Inertia based dynos do not have this capability which makes it difficult, if not impossible, to properly tune part throttle load conditions which can leave you with poor drivability any time other than flooring it. In addtion, our tuner will street verify your car after a tuning session for driveability.

                To facilitate tuning, we take every precaution to make sure your vehicle is tuned in a safe environment. The dyno cell that houses our dyno is constructed with sound insulating materials. With two fans mounted in the rear pulling a combined 60,000CFM of air flow and a large single fan in the front pushing 15,000CFM, we can keep fresh air circulating through the dyno room keeping engine temperatures down, reducing heat soak, and making sure your car isn’t breathing in exhaust gases. We also keep 2 fire extinguishers in the dyno room at all times for emergency.

                PTUNING works directly with our tuning providers, such as: AEM, Cobb, and EcuTek to name a few to stay up to date with the latest software revisions and tuning updates. This ensure that your vehicle will always be tuned with the manufacturer's latest updates and features. We also work closely with our providers to quickly fix and resolves any new software bugs. Our providers are also available if we have technical questions regarding software. With this colaboration and supports, we are confident that we can provide you with the very best tunes!

                AEM EMS V1 & V2

                • Plug and Play for most applications
                • EMS used for PTUNING S2000 turbo kit
                • E85 Flex Fuel, Boost Control, Boost by Gear, and more
                • Bigger Fuel Injectors
                • Larger Diameter MAF Housings

                AEM FIC

                • Contact us for more details on your specific application

                Cobb AccessPort - ProTune

                • Ford Focus ST & Fiesta ST
                • Mazdaspeed 3 & Mazdaspeed 6
                • Mitsubishi Lancer EVO X
                • Subaru Impreza WRX & STI (2002+)
                • E85 Flex Fuel Supported (2015+)

                EcuTek

                • Scion FR-S, Subaru BRZ, Toyota 86 (incl. E85 Flex Fuel)
                • Nissan 370Z
                • Infiniti G37
                • Mazda Miata (3rd generation NC, 2005+)

                GReddy eManage

                • Most Makes and Models
                • PnP harnesses available
                • Contact us for more details on your specific application

                Haltech Sprint 500, Powersport 1000, 2000 & Elite

                • Universal Application
                • PnP harnesses available
                • Same EMS used on PTUNING Time Attack Scion tC at over 600whp
                • E85 Flex Fuel, Boost Control, Boost by Gear, and more
                • Contact us for more details on your specific application

                Hondata S300, K-Pro, FlashPro

                • E85 Flex Fuel, Boost Control, Boost by Gear, and more
                • Contact us for more details on your specific application

                Megasquirt

                • Contact us for more details on your specific application

                UpRev

                • Nissan 350Z
                • Nissan 370Z
                • Infiniti G35
                • Infiniti G37
                • Infiniti G37
                • Most Nissan & Infiniti
                • Map Switching Available
                • Contact us for more details on your specific application

                For all dyno tunes, please read and complete the PTUNING DYNO CHECKLIST. If you select the "PRE-DYNO INSPECTION" option, please contact us to schedule an appointment.